Finding the Fourth Proportional to 85,196.88, 127,873.98 and 43,106.58

Step by Step Solution

1. Step 1: Write the proportion equation
   85,196.88 : 127,873.98 = 43,106.58 : x
2. Step 2: Convert to fraction form
   85,196.88/127,873.98 = 43,106.58/x
3. Step 3: Cross multiply
   85,196.88x = 127,873.98 × 43,106.58
4. Step 4: Simplify right side
   85,196.88x = 5,512,209,948.79
5. Step 5: Solve for x
   x = 5,512,209,948.79/85,196.88
6. Step 6: Final answer
   x = 64,699.67