Finding the Fourth Proportional to 189,522.86, 261,541.44 and 108,966.11

Step by Step Solution

1. Step 1: Write the proportion equation
   189,522.86 : 261,541.44 = 108,966.11 : x
2. Step 2: Convert to fraction form
   189,522.86/261,541.44 = 108,966.11/x
3. Step 3: Cross multiply
   189,522.86x = 261,541.44 × 108,966.11
4. Step 4: Simplify right side
   189,522.86x = 28,499,152,012.89
5. Step 5: Solve for x
   x = 28,499,152,012.89/189,522.86
6. Step 6: Final answer
   x = 150,373.17