Finding the Fourth Proportional to 75,018.69, 103,092.89 and 71,549.46

Step by Step Solution

1. Step 1: Write the proportion equation
   75,018.69 : 103,092.89 = 71,549.46 : x
2. Step 2: Convert to fraction form
   75,018.69/103,092.89 = 71,549.46/x
3. Step 3: Cross multiply
   75,018.69x = 103,092.89 × 71,549.46
4. Step 4: Simplify right side
   75,018.69x = 7,376,240,251.59
5. Step 5: Solve for x
   x = 7,376,240,251.59/75,018.69
6. Step 6: Final answer
   x = 98,325.37