Finding the Fourth Proportional to 78,061.34, 117,104.21 and 25,458.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,061.34 : 117,104.21 = 25,458.59 : x
2. Step 2: Convert to fraction form
   78,061.34/117,104.21 = 25,458.59/x
3. Step 3: Cross multiply
   78,061.34x = 117,104.21 × 25,458.59
4. Step 4: Simplify right side
   78,061.34x = 2,981,308,069.66
5. Step 5: Solve for x
   x = 2,981,308,069.66/78,061.34
6. Step 6: Final answer
   x = 38,191.86