Finding the Fourth Proportional to 80,733.68, 111,427.89 and 53,461.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,733.68 : 111,427.89 = 53,461.69 : x
2. Step 2: Convert to fraction form
   80,733.68/111,427.89 = 53,461.69/x
3. Step 3: Cross multiply
   80,733.68x = 111,427.89 × 53,461.69
4. Step 4: Simplify right side
   80,733.68x = 5,957,123,312.53
5. Step 5: Solve for x
   x = 5,957,123,312.53/80,733.68
6. Step 6: Final answer
   x = 73,787.34