Finding the Fourth Proportional to 121,955.78, 182,881.83 and 75,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   121,955.78 : 182,881.83 = 75,196.10 : x
2. Step 2: Convert to fraction form
   121,955.78/182,881.83 = 75,196.10/x
3. Step 3: Cross multiply
   121,955.78x = 182,881.83 × 75,196.10
4. Step 4: Simplify right side
   121,955.78x = 13,752,000,376.86
5. Step 5: Solve for x
   x = 13,752,000,376.86/121,955.78
6. Step 6: Final answer
   x = 112,762.19