Finding the Fourth Proportional to 92,807.87, 127,978.04 and 55,074.83

Step by Step Solution

1. Step 1: Write the proportion equation
   92,807.87 : 127,978.04 = 55,074.83 : x
2. Step 2: Convert to fraction form
   92,807.87/127,978.04 = 55,074.83/x
3. Step 3: Cross multiply
   92,807.87x = 127,978.04 × 55,074.83
4. Step 4: Simplify right side
   92,807.87x = 7,048,368,294.53
5. Step 5: Solve for x
   x = 7,048,368,294.53/92,807.87
6. Step 6: Final answer
   x = 75,945.81