Finding the Fourth Proportional to 52,384, 72,288 and 28,510.08

Step by Step Solution

1. Step 1: Write the proportion equation
   52,384 : 72,288 = 28,510.08 : x
2. Step 2: Convert to fraction form
   52,384/72,288 = 28,510.08/x
3. Step 3: Cross multiply
   52,384x = 72,288 × 28,510.08
4. Step 4: Simplify right side
   52,384x = 2,060,936,663.04
5. Step 5: Solve for x
   x = 2,060,936,663.04/52,384
6. Step 6: Final answer
   x = 39,342.87