Finding the Fourth Proportional to 151,773.50, 227,620.58 and 45,128.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,773.50 : 227,620.58 = 45,128.74 : x
2. Step 2: Convert to fraction form
   151,773.50/227,620.58 = 45,128.74/x
3. Step 3: Cross multiply
   151,773.50x = 227,620.58 × 45,128.74
4. Step 4: Simplify right side
   151,773.50x = 10,272,229,517.24
5. Step 5: Solve for x
   x = 10,272,229,517.24/151,773.50
6. Step 6: Final answer
   x = 67,681.31