Finding the Fourth Proportional to 550,141.58, 825,123.78 and 150,688.92

Step by Step Solution

1. Step 1: Write the proportion equation
   550,141.58 : 825,123.78 = 150,688.92 : x
2. Step 2: Convert to fraction form
   550,141.58/825,123.78 = 150,688.92/x
3. Step 3: Cross multiply
   550,141.58x = 825,123.78 × 150,688.92
4. Step 4: Simplify right side
   550,141.58x = 124,337,011,274.52
5. Step 5: Solve for x
   x = 124,337,011,274.52/550,141.58
6. Step 6: Final answer
   x = 226,009.12