Finding the Fourth Proportional to 52,748.63, 72,787.69 and 30,085.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,748.63 : 72,787.69 = 30,085.91 : x
2. Step 2: Convert to fraction form
   52,748.63/72,787.69 = 30,085.91/x
3. Step 3: Cross multiply
   52,748.63x = 72,787.69 × 30,085.91
4. Step 4: Simplify right side
   52,748.63x = 2,189,883,837.07
5. Step 5: Solve for x
   x = 2,189,883,837.07/52,748.63
6. Step 6: Final answer
   x = 41,515.46