Finding the Fourth Proportional to 52,718.18, 78,989.78 and 37,103.00

Step by Step Solution

1. Step 1: Write the proportion equation
   52,718.18 : 78,989.78 = 37,103.00 : x
2. Step 2: Convert to fraction form
   52,718.18/78,989.78 = 37,103.00/x
3. Step 3: Cross multiply
   52,718.18x = 78,989.78 × 37,103.00
4. Step 4: Simplify right side
   52,718.18x = 2,930,757,505.15
5. Step 5: Solve for x
   x = 2,930,757,505.15/52,718.18
6. Step 6: Final answer
   x = 55,592.92