Finding the Fourth Proportional to 78,488.18, 117,736.35 and 25,901.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,488.18 : 117,736.35 = 25,901.76 : x
2. Step 2: Convert to fraction form
   78,488.18/117,736.35 = 25,901.76/x
3. Step 3: Cross multiply
   78,488.18x = 117,736.35 × 25,901.76
4. Step 4: Simplify right side
   78,488.18x = 3,049,578,680.98
5. Step 5: Solve for x
   x = 3,049,578,680.98/78,488.18
6. Step 6: Final answer
   x = 38,853.99