Finding the Fourth Proportional to 140,892.45, 194,439.57 and 83,565.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,892.45 : 194,439.57 = 83,565.72 : x
2. Step 2: Convert to fraction form
   140,892.45/194,439.57 = 83,565.72/x
3. Step 3: Cross multiply
   140,892.45x = 194,439.57 × 83,565.72
4. Step 4: Simplify right side
   140,892.45x = 16,248,482,663.54
5. Step 5: Solve for x
   x = 16,248,482,663.54/140,892.45
6. Step 6: Final answer
   x = 115,325.43