Finding the Fourth Proportional to 189,920.67, 262,061.43 and 109,332.62

Step by Step Solution

1. Step 1: Write the proportion equation
   189,920.67 : 262,061.43 = 109,332.62 : x
2. Step 2: Convert to fraction form
   189,920.67/262,061.43 = 109,332.62/x
3. Step 3: Cross multiply
   189,920.67x = 262,061.43 × 109,332.62
4. Step 4: Simplify right side
   189,920.67x = 28,651,862,005.27
5. Step 5: Solve for x
   x = 28,651,862,005.27/189,920.67
6. Step 6: Final answer
   x = 150,862.27