Finding the Fourth Proportional to 113,061.57, 156,024.28 and 62,075.21

Step by Step Solution

1. Step 1: Write the proportion equation
   113,061.57 : 156,024.28 = 62,075.21 : x
2. Step 2: Convert to fraction form
   113,061.57/156,024.28 = 62,075.21/x
3. Step 3: Cross multiply
   113,061.57x = 156,024.28 × 62,075.21
4. Step 4: Simplify right side
   113,061.57x = 9,685,239,772.03
5. Step 5: Solve for x
   x = 9,685,239,772.03/113,061.57
6. Step 6: Final answer
   x = 85,663.41