Finding the Fourth Proportional to 147,499.38, 221,250.27 and 42,321.66

Step by Step Solution

1. Step 1: Write the proportion equation
   147,499.38 : 221,250.27 = 42,321.66 : x
2. Step 2: Convert to fraction form
   147,499.38/221,250.27 = 42,321.66/x
3. Step 3: Cross multiply
   147,499.38x = 221,250.27 × 42,321.66
4. Step 4: Simplify right side
   147,499.38x = 9,363,678,701.85
5. Step 5: Solve for x
   x = 9,363,678,701.85/147,499.38
6. Step 6: Final answer
   x = 63,482.83