Finding the Fourth Proportional to 490,741.25, 736,111.97 and 153,781.83

Step by Step Solution

1. Step 1: Write the proportion equation
   490,741.25 : 736,111.97 = 153,781.83 : x
2. Step 2: Convert to fraction form
   490,741.25/736,111.97 = 153,781.83/x
3. Step 3: Cross multiply
   490,741.25x = 736,111.97 × 153,781.83
4. Step 4: Simplify right side
   490,741.25x = 113,200,645,062.60
5. Step 5: Solve for x
   x = 113,200,645,062.60/490,741.25
6. Step 6: Final answer
   x = 230,672.78