Finding the Fourth Proportional to 147,402.54, 221,065.56 and 42,196.95

Step by Step Solution

1. Step 1: Write the proportion equation
   147,402.54 : 221,065.56 = 42,196.95 : x
2. Step 2: Convert to fraction form
   147,402.54/221,065.56 = 42,196.95/x
3. Step 3: Cross multiply
   147,402.54x = 221,065.56 × 42,196.95
4. Step 4: Simplify right side
   147,402.54x = 9,328,292,382.04
5. Step 5: Solve for x
   x = 9,328,292,382.04/147,402.54
6. Step 6: Final answer
   x = 63,284.48