Finding the Fourth Proportional to 92,047.32, 137,399.00 and 78,983.64

Step by Step Solution

1. Step 1: Write the proportion equation
   92,047.32 : 137,399.00 = 78,983.64 : x
2. Step 2: Convert to fraction form
   92,047.32/137,399.00 = 78,983.64/x
3. Step 3: Cross multiply
   92,047.32x = 137,399.00 × 78,983.64
4. Step 4: Simplify right side
   92,047.32x = 10,852,272,757.44
5. Step 5: Solve for x
   x = 10,852,272,757.44/92,047.32
6. Step 6: Final answer
   x = 117,898.85