Finding the Fourth Proportional to 120,298.86, 180,454.23 and 31,552.56

Step by Step Solution

1. Step 1: Write the proportion equation
   120,298.86 : 180,454.23 = 31,552.56 : x
2. Step 2: Convert to fraction form
   120,298.86/180,454.23 = 31,552.56/x
3. Step 3: Cross multiply
   120,298.86x = 180,454.23 × 31,552.56
4. Step 4: Simplify right side
   120,298.86x = 5,693,792,919.33
5. Step 5: Solve for x
   x = 5,693,792,919.33/120,298.86
6. Step 6: Final answer
   x = 47,330.40