Finding the Fourth Proportional to 121,128.80, 181,679.33 and 32,389.22

Step by Step Solution

1. Step 1: Write the proportion equation
   121,128.80 : 181,679.33 = 32,389.22 : x
2. Step 2: Convert to fraction form
   121,128.80/181,679.33 = 32,389.22/x
3. Step 3: Cross multiply
   121,128.80x = 181,679.33 × 32,389.22
4. Step 4: Simplify right side
   121,128.80x = 5,884,451,676.38
5. Step 5: Solve for x
   x = 5,884,451,676.38/121,128.80
6. Step 6: Final answer
   x = 48,580.12