Finding the Fourth Proportional to 52,793,794,397.49, 72,856,817,060.72 and 28,709,224,621.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,793,794,397.49 : 72,856,817,060.72 = 28,709,224,621.68 : x
2. Step 2: Convert to fraction form
   52,793,794,397.49/72,856,817,060.72 = 28,709,224,621.68/x
3. Step 3: Cross multiply
   52,793,794,397.49x = 72,856,817,060.72 × 28,709,224,621.68
4. Step 4: Simplify right side
   52,793,794,397.49x = 2,091,662,726,216,714,551,296
5. Step 5: Solve for x
   x = 2,091,662,726,216,714,551,296/52,793,794,397.49
6. Step 6: Final answer
   x = 39,619,480,851.64