Finding the Fourth Proportional to 81,875.59, 112,986.76 and 45,576.79

Step by Step Solution

1. Step 1: Write the proportion equation
   81,875.59 : 112,986.76 = 45,576.79 : x
2. Step 2: Convert to fraction form
   81,875.59/112,986.76 = 45,576.79/x
3. Step 3: Cross multiply
   81,875.59x = 112,986.76 × 45,576.79
4. Step 4: Simplify right side
   81,875.59x = 5,149,573,833.30
5. Step 5: Solve for x
   x = 5,149,573,833.30/81,875.59
6. Step 6: Final answer
   x = 62,895.11