Finding the Fourth Proportional to 147,592.35, 221,364.77 and 42,387.39

Step by Step Solution

1. Step 1: Write the proportion equation
   147,592.35 : 221,364.77 = 42,387.39 : x
2. Step 2: Convert to fraction form
   147,592.35/221,364.77 = 42,387.39/x
3. Step 3: Cross multiply
   147,592.35x = 221,364.77 × 42,387.39
4. Step 4: Simplify right side
   147,592.35x = 9,383,074,626.31
5. Step 5: Solve for x
   x = 9,383,074,626.31/147,592.35
6. Step 6: Final answer
   x = 63,574.26