Finding the Fourth Proportional to 78,748.34, 118,137.72 and 25,454.66

Step by Step Solution

1. Step 1: Write the proportion equation
   78,748.34 : 118,137.72 = 25,454.66 : x
2. Step 2: Convert to fraction form
   78,748.34/118,137.72 = 25,454.66/x
3. Step 3: Cross multiply
   78,748.34x = 118,137.72 × 25,454.66
4. Step 4: Simplify right side
   78,748.34x = 3,007,155,495.78
5. Step 5: Solve for x
   x = 3,007,155,495.78/78,748.34
6. Step 6: Final answer
   x = 38,186.91