Finding the Fourth Proportional to 150,499.82, 225,731.28 and 87,354.34

Step by Step Solution

1. Step 1: Write the proportion equation
   150,499.82 : 225,731.28 = 87,354.34 : x
2. Step 2: Convert to fraction form
   150,499.82/225,731.28 = 87,354.34/x
3. Step 3: Cross multiply
   150,499.82x = 225,731.28 × 87,354.34
4. Step 4: Simplify right side
   150,499.82x = 19,718,606,981.76
5. Step 5: Solve for x
   x = 19,718,606,981.76/150,499.82
6. Step 6: Final answer
   x = 131,020.80