Finding the Fourth Proportional to 114,545, 158,141.22 and 74,870.12

Step by Step Solution

1. Step 1: Write the proportion equation
   114,545 : 158,141.22 = 74,870.12 : x
2. Step 2: Convert to fraction form
   114,545/158,141.22 = 74,870.12/x
3. Step 3: Cross multiply
   114,545x = 158,141.22 × 74,870.12
4. Step 4: Simplify right side
   114,545x = 11,840,052,118.35
5. Step 5: Solve for x
   x = 11,840,052,118.35/114,545
6. Step 6: Final answer
   x = 103,365.94