Finding the Fourth Proportional to 78,870.58, 118,322.88 and 22,710.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,870.58 : 118,322.88 = 22,710.31 : x
2. Step 2: Convert to fraction form
   78,870.58/118,322.88 = 22,710.31/x
3. Step 3: Cross multiply
   78,870.58x = 118,322.88 × 22,710.31
4. Step 4: Simplify right side
   78,870.58x = 2,687,149,284.89
5. Step 5: Solve for x
   x = 2,687,149,284.89/78,870.58
6. Step 6: Final answer
   x = 34,070.36