Finding the Fourth Proportional to 147,810.08, 221,682.72 and 42,606.20

Step by Step Solution

1. Step 1: Write the proportion equation
   147,810.08 : 221,682.72 = 42,606.20 : x
2. Step 2: Convert to fraction form
   147,810.08/221,682.72 = 42,606.20/x
3. Step 3: Cross multiply
   147,810.08x = 221,682.72 × 42,606.20
4. Step 4: Simplify right side
   147,810.08x = 9,445,058,304.86
5. Step 5: Solve for x
   x = 9,445,058,304.86/147,810.08
6. Step 6: Final answer
   x = 63,899.96