Finding the Fourth Proportional to 78,725.57, 118,077.31 and 22,570.47

Step by Step Solution

1. Step 1: Write the proportion equation
   78,725.57 : 118,077.31 = 22,570.47 : x
2. Step 2: Convert to fraction form
   78,725.57/118,077.31 = 22,570.47/x
3. Step 3: Cross multiply
   78,725.57x = 118,077.31 × 22,570.47
4. Step 4: Simplify right side
   78,725.57x = 2,665,060,383.04
5. Step 5: Solve for x
   x = 2,665,060,383.04/78,725.57
6. Step 6: Final answer
   x = 33,852.54