Finding the Fourth Proportional to 78,653.12, 117,939.56 and 26,043.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,653.12 : 117,939.56 = 26,043.62 : x
2. Step 2: Convert to fraction form
   78,653.12/117,939.56 = 26,043.62/x
3. Step 3: Cross multiply
   78,653.12x = 117,939.56 × 26,043.62
4. Step 4: Simplify right side
   78,653.12x = 3,071,573,083.61
5. Step 5: Solve for x
   x = 3,071,573,083.61/78,653.12
6. Step 6: Final answer
   x = 39,052.15