Finding the Fourth Proportional to 74,123.04, 102,289.83 and 40,131.53

Step by Step Solution

1. Step 1: Write the proportion equation
   74,123.04 : 102,289.83 = 40,131.53 : x
2. Step 2: Convert to fraction form
   74,123.04/102,289.83 = 40,131.53/x
3. Step 3: Cross multiply
   74,123.04x = 102,289.83 × 40,131.53
4. Step 4: Simplify right side
   74,123.04x = 4,105,046,869.89
5. Step 5: Solve for x
   x = 4,105,046,869.89/74,123.04
6. Step 6: Final answer
   x = 55,381.52