Finding the Fourth Proportional to 78,870.02, 118,287.20 and 22,710.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,870.02 : 118,287.20 = 22,710.02 : x
2. Step 2: Convert to fraction form
   78,870.02/118,287.20 = 22,710.02/x
3. Step 3: Cross multiply
   78,870.02x = 118,287.20 × 22,710.02
4. Step 4: Simplify right side
   78,870.02x = 2,686,304,677.74
5. Step 5: Solve for x
   x = 2,686,304,677.74/78,870.02
6. Step 6: Final answer
   x = 34,059.90