Finding the Fourth Proportional to 558,061.61, 837,092.39 and 137,337.48

Step by Step Solution

1. Step 1: Write the proportion equation
   558,061.61 : 837,092.39 = 137,337.48 : x
2. Step 2: Convert to fraction form
   558,061.61/837,092.39 = 137,337.48/x
3. Step 3: Cross multiply
   558,061.61x = 837,092.39 × 137,337.48
4. Step 4: Simplify right side
   558,061.61x = 114,964,158,683.09
5. Step 5: Solve for x
   x = 114,964,158,683.09/558,061.61
6. Step 6: Final answer
   x = 206,006.21