Finding the Fourth Proportional to 437,499.77, 656,318.50 and 153,277.25

Step by Step Solution

1. Step 1: Write the proportion equation
   437,499.77 : 656,318.50 = 153,277.25 : x
2. Step 2: Convert to fraction form
   437,499.77/656,318.50 = 153,277.25/x
3. Step 3: Cross multiply
   437,499.77x = 656,318.50 × 153,277.25
4. Step 4: Simplify right side
   437,499.77x = 100,598,691,139.34
5. Step 5: Solve for x
   x = 100,598,691,139.34/437,499.77
6. Step 6: Final answer
   x = 229,939.99