Finding the Fourth Proportional to 132,335.58, 198,482.52 and 109,989.72

Step by Step Solution

1. Step 1: Write the proportion equation
   132,335.58 : 198,482.52 = 109,989.72 : x
2. Step 2: Convert to fraction form
   132,335.58/198,482.52 = 109,989.72/x
3. Step 3: Cross multiply
   132,335.58x = 198,482.52 × 109,989.72
4. Step 4: Simplify right side
   132,335.58x = 21,831,036,799.69
5. Step 5: Solve for x
   x = 21,831,036,799.69/132,335.58
6. Step 6: Final answer
   x = 164,967.25