Finding the Fourth Proportional to 78,648.32, 117,947.28 and 26,046.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,648.32 : 117,947.28 = 26,046.56 : x
2. Step 2: Convert to fraction form
   78,648.32/117,947.28 = 26,046.56/x
3. Step 3: Cross multiply
   78,648.32x = 117,947.28 × 26,046.56
4. Step 4: Simplify right side
   78,648.32x = 3,072,120,905.36
5. Step 5: Solve for x
   x = 3,072,120,905.36/78,648.32
6. Step 6: Final answer
   x = 39,061.49