Finding the Fourth Proportional to 112,850.50, 155,733.72 and 62,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,850.50 : 155,733.72 = 62,549.50 : x
2. Step 2: Convert to fraction form
   112,850.50/155,733.72 = 62,549.50/x
3. Step 3: Cross multiply
   112,850.50x = 155,733.72 × 62,549.50
4. Step 4: Simplify right side
   112,850.50x = 9,741,066,006.39
5. Step 5: Solve for x
   x = 9,741,066,006.39/112,850.50
6. Step 6: Final answer
   x = 86,318.32