Finding the Fourth Proportional to 131,499.14, 181,424.46 and 74,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   131,499.14 : 181,424.46 = 74,870.42 : x
2. Step 2: Convert to fraction form
   131,499.14/181,424.46 = 74,870.42/x
3. Step 3: Cross multiply
   131,499.14x = 181,424.46 × 74,870.42
4. Step 4: Simplify right side
   131,499.14x = 13,583,325,518.47
5. Step 5: Solve for x
   x = 13,583,325,518.47/131,499.14
6. Step 6: Final answer
   x = 103,295.93