Finding the Fourth Proportional to 78,433.52, 117,664.86 and 25,845.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,433.52 : 117,664.86 = 25,845.08 : x
2. Step 2: Convert to fraction form
   78,433.52/117,664.86 = 25,845.08/x
3. Step 3: Cross multiply
   78,433.52x = 117,664.86 × 25,845.08
4. Step 4: Simplify right side
   78,433.52x = 3,041,057,719.89
5. Step 5: Solve for x
   x = 3,041,057,719.89/78,433.52
6. Step 6: Final answer
   x = 38,772.42