Finding the Fourth Proportional to 113,506.96, 156,638.34 and 62,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,506.96 : 156,638.34 = 62,518.72 : x
2. Step 2: Convert to fraction form
   113,506.96/156,638.34 = 62,518.72/x
3. Step 3: Cross multiply
   113,506.96x = 156,638.34 × 62,518.72
4. Step 4: Simplify right side
   113,506.96x = 9,792,828,519.72
5. Step 5: Solve for x
   x = 9,792,828,519.72/113,506.96
6. Step 6: Final answer
   x = 86,275.14