Finding the Fourth Proportional to 148,687.27, 205,191.50 and 84,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,687.27 : 205,191.50 = 84,156.50 : x
2. Step 2: Convert to fraction form
   148,687.27/205,191.50 = 84,156.50/x
3. Step 3: Cross multiply
   148,687.27x = 205,191.50 × 84,156.50
4. Step 4: Simplify right side
   148,687.27x = 17,268,198,561.95
5. Step 5: Solve for x
   x = 17,268,198,561.95/148,687.27
6. Step 6: Final answer
   x = 116,137.71