Finding the Fourth Proportional to 623,672.93, 935,501.18 and 150,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,672.93 : 935,501.18 = 150,354.50 : x
2. Step 2: Convert to fraction form
   623,672.93/935,501.18 = 150,354.50/x
3. Step 3: Cross multiply
   623,672.93x = 935,501.18 × 150,354.50
4. Step 4: Simplify right side
   623,672.93x = 140,656,807,866.69
5. Step 5: Solve for x
   x = 140,656,807,866.69/623,672.93
6. Step 6: Final answer
   x = 225,529.76