Finding the Fourth Proportional to 149,352, 206,105.76 and 82,288.32

Step by Step Solution

1. Step 1: Write the proportion equation
   149,352 : 206,105.76 = 82,288.32 : x
2. Step 2: Convert to fraction form
   149,352/206,105.76 = 82,288.32/x
3. Step 3: Cross multiply
   149,352x = 206,105.76 × 82,288.32
4. Step 4: Simplify right side
   149,352x = 16,960,096,732.72
5. Step 5: Solve for x
   x = 16,960,096,732.72/149,352
6. Step 6: Final answer
   x = 113,557.88