Finding the Fourth Proportional to 111,851.84, 154,385.88 and 65,951.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,851.84 : 154,385.88 = 65,951.60 : x
2. Step 2: Convert to fraction form
   111,851.84/154,385.88 = 65,951.60/x
3. Step 3: Cross multiply
   111,851.84x = 154,385.88 × 65,951.60
4. Step 4: Simplify right side
   111,851.84x = 10,181,995,803.41
5. Step 5: Solve for x
   x = 10,181,995,803.41/111,851.84
6. Step 6: Final answer
   x = 91,031.10