Finding the Fourth Proportional to 147,592.10, 221,364.38 and 42,387.14

Step by Step Solution

1. Step 1: Write the proportion equation
   147,592.10 : 221,364.38 = 42,387.14 : x
2. Step 2: Convert to fraction form
   147,592.10/221,364.38 = 42,387.14/x
3. Step 3: Cross multiply
   147,592.10x = 221,364.38 × 42,387.14
4. Step 4: Simplify right side
   147,592.10x = 9,383,002,966.07
5. Step 5: Solve for x
   x = 9,383,002,966.07/147,592.10
6. Step 6: Final answer
   x = 63,573.88