Finding the Fourth Proportional to 252,215.91, 348,061.82 and 137,494.62

Step by Step Solution

1. Step 1: Write the proportion equation
   252,215.91 : 348,061.82 = 137,494.62 : x
2. Step 2: Convert to fraction form
   252,215.91/348,061.82 = 137,494.62/x
3. Step 3: Cross multiply
   252,215.91x = 348,061.82 × 137,494.62
4. Step 4: Simplify right side
   252,215.91x = 47,856,626,989.94
5. Step 5: Solve for x
   x = 47,856,626,989.94/252,215.91
6. Step 6: Final answer
   x = 189,744.68