Finding the Fourth Proportional to 109,761.17, 164,523.67 and 71,796.15

Step by Step Solution

1. Step 1: Write the proportion equation
   109,761.17 : 164,523.67 = 71,796.15 : x
2. Step 2: Convert to fraction form
   109,761.17/164,523.67 = 71,796.15/x
3. Step 3: Cross multiply
   109,761.17x = 164,523.67 × 71,796.15
4. Step 4: Simplify right side
   109,761.17x = 11,812,165,730.89
5. Step 5: Solve for x
   x = 11,812,165,730.89/109,761.17
6. Step 6: Final answer
   x = 107,616.98