Finding the Fourth Proportional to 491,123.81, 736,612.81 and 136,100.81

Step by Step Solution

1. Step 1: Write the proportion equation
   491,123.81 : 736,612.81 = 136,100.81 : x
2. Step 2: Convert to fraction form
   491,123.81/736,612.81 = 136,100.81/x
3. Step 3: Cross multiply
   491,123.81x = 736,612.81 × 136,100.81
4. Step 4: Simplify right side
   491,123.81x = 100,253,600,097.38
5. Step 5: Solve for x
   x = 100,253,600,097.38/491,123.81
6. Step 6: Final answer
   x = 204,131.01