Finding the Fourth Proportional to 121,196.10, 181,877.19 and 42,310.33

Step by Step Solution

1. Step 1: Write the proportion equation
   121,196.10 : 181,877.19 = 42,310.33 : x
2. Step 2: Convert to fraction form
   121,196.10/181,877.19 = 42,310.33/x
3. Step 3: Cross multiply
   121,196.10x = 181,877.19 × 42,310.33
4. Step 4: Simplify right side
   121,196.10x = 7,695,284,034.15
5. Step 5: Solve for x
   x = 7,695,284,034.15/121,196.10
6. Step 6: Final answer
   x = 63,494.48