Finding the Fourth Proportional to 490,784.91, 736,186.59 and 153,818.10

Step by Step Solution

1. Step 1: Write the proportion equation
   490,784.91 : 736,186.59 = 153,818.10 : x
2. Step 2: Convert to fraction form
   490,784.91/736,186.59 = 153,818.10/x
3. Step 3: Cross multiply
   490,784.91x = 736,186.59 × 153,818.10
4. Step 4: Simplify right side
   490,784.91x = 113,238,822,519.28
5. Step 5: Solve for x
   x = 113,238,822,519.28/490,784.91
6. Step 6: Final answer
   x = 230,730.04