Finding the Fourth Proportional to 80,732.68, 111,426.51 and 53,460.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,732.68 : 111,426.51 = 53,460.69 : x
2. Step 2: Convert to fraction form
   80,732.68/111,426.51 = 53,460.69/x
3. Step 3: Cross multiply
   80,732.68x = 111,426.51 × 53,460.69
4. Step 4: Simplify right side
   80,732.68x = 5,956,938,108.89
5. Step 5: Solve for x
   x = 5,956,938,108.89/80,732.68
6. Step 6: Final answer
   x = 73,785.96