Finding the Fourth Proportional to 82,871.48, 124,196.25 and 45,374.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,871.48 : 124,196.25 = 45,374.96 : x
2. Step 2: Convert to fraction form
   82,871.48/124,196.25 = 45,374.96/x
3. Step 3: Cross multiply
   82,871.48x = 124,196.25 × 45,374.96
4. Step 4: Simplify right side
   82,871.48x = 5,635,399,875.90
5. Step 5: Solve for x
   x = 5,635,399,875.90/82,871.48
6. Step 6: Final answer
   x = 68,001.68