Finding the Fourth Proportional to 148,755.50, 205,253.72 and 88,345.10

Step by Step Solution

1. Step 1: Write the proportion equation
   148,755.50 : 205,253.72 = 88,345.10 : x
2. Step 2: Convert to fraction form
   148,755.50/205,253.72 = 88,345.10/x
3. Step 3: Cross multiply
   148,755.50x = 205,253.72 × 88,345.10
4. Step 4: Simplify right side
   148,755.50x = 18,133,159,613.37
5. Step 5: Solve for x
   x = 18,133,159,613.37/148,755.50
6. Step 6: Final answer
   x = 121,899.08