Finding the Fourth Proportional to 113,518.72, 156,682.92 and 65,798.38

Step by Step Solution

1. Step 1: Write the proportion equation
   113,518.72 : 156,682.92 = 65,798.38 : x
2. Step 2: Convert to fraction form
   113,518.72/156,682.92 = 65,798.38/x
3. Step 3: Cross multiply
   113,518.72x = 156,682.92 × 65,798.38
4. Step 4: Simplify right side
   113,518.72x = 10,309,482,309.67
5. Step 5: Solve for x
   x = 10,309,482,309.67/113,518.72
6. Step 6: Final answer
   x = 90,817.46