Finding the Fourth Proportional to 132,499.34, 182,832.45 and 89,572.21

Step by Step Solution

1. Step 1: Write the proportion equation
   132,499.34 : 182,832.45 = 89,572.21 : x
2. Step 2: Convert to fraction form
   132,499.34/182,832.45 = 89,572.21/x
3. Step 3: Cross multiply
   132,499.34x = 182,832.45 × 89,572.21
4. Step 4: Simplify right side
   132,499.34x = 16,376,706,606.21
5. Step 5: Solve for x
   x = 16,376,706,606.21/132,499.34
6. Step 6: Final answer
   x = 123,598.40