Finding the Fourth Proportional to 55,454.28, 83,063.70 and 51,488.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,454.28 : 83,063.70 = 51,488.52 : x
2. Step 2: Convert to fraction form
   55,454.28/83,063.70 = 51,488.52/x
3. Step 3: Cross multiply
   55,454.28x = 83,063.70 × 51,488.52
4. Step 4: Simplify right side
   55,454.28x = 4,276,826,978.72
5. Step 5: Solve for x
   x = 4,276,826,978.72/55,454.28
6. Step 6: Final answer
   x = 77,123.48