Finding the Fourth Proportional to 131,597.51, 181,597.68 and 74,235.15

Step by Step Solution

1. Step 1: Write the proportion equation
   131,597.51 : 181,597.68 = 74,235.15 : x
2. Step 2: Convert to fraction form
   131,597.51/181,597.68 = 74,235.15/x
3. Step 3: Cross multiply
   131,597.51x = 181,597.68 × 74,235.15
4. Step 4: Simplify right side
   131,597.51x = 13,480,931,014.45
5. Step 5: Solve for x
   x = 13,480,931,014.45/131,597.51
6. Step 6: Final answer
   x = 102,440.63