Finding the Fourth Proportional to 110,972.88, 166,820.18 and 89,026.34

Step by Step Solution

1. Step 1: Write the proportion equation
   110,972.88 : 166,820.18 = 89,026.34 : x
2. Step 2: Convert to fraction form
   110,972.88/166,820.18 = 89,026.34/x
3. Step 3: Cross multiply
   110,972.88x = 166,820.18 × 89,026.34
4. Step 4: Simplify right side
   110,972.88x = 14,851,388,784.31
5. Step 5: Solve for x
   x = 14,851,388,784.31/110,972.88
6. Step 6: Final answer
   x = 133,828.99