Finding the Fourth Proportional to 491,044.52, 736,564.71 and 136,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,044.52 : 736,564.71 = 136,057.50 : x
2. Step 2: Convert to fraction form
   491,044.52/736,564.71 = 136,057.50/x
3. Step 3: Cross multiply
   491,044.52x = 736,564.71 × 136,057.50
4. Step 4: Simplify right side
   491,044.52x = 100,215,153,030.83
5. Step 5: Solve for x
   x = 100,215,153,030.83/491,044.52
6. Step 6: Final answer
   x = 204,085.68