Finding the Fourth Proportional to 147,422.14, 221,002.25 and 57,443.99

Step by Step Solution

1. Step 1: Write the proportion equation
   147,422.14 : 221,002.25 = 57,443.99 : x
2. Step 2: Convert to fraction form
   147,422.14/221,002.25 = 57,443.99/x
3. Step 3: Cross multiply
   147,422.14x = 221,002.25 × 57,443.99
4. Step 4: Simplify right side
   147,422.14x = 12,695,249,646.75
5. Step 5: Solve for x
   x = 12,695,249,646.75/147,422.14
6. Step 6: Final answer
   x = 86,114.95