Finding the Fourth Proportional to 91,051.17, 124,982.13 and 80,754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,051.17 : 124,982.13 = 80,754.50 : x
2. Step 2: Convert to fraction form
   91,051.17/124,982.13 = 80,754.50/x
3. Step 3: Cross multiply
   91,051.17x = 124,982.13 × 80,754.50
4. Step 4: Simplify right side
   91,051.17x = 10,092,868,792.17
5. Step 5: Solve for x
   x = 10,092,868,792.17/91,051.17
6. Step 6: Final answer
   x = 110,848.32