Finding the Fourth Proportional to 140,867.56, 194,388.42 and 77,200.84

Step by Step Solution

1. Step 1: Write the proportion equation
   140,867.56 : 194,388.42 = 77,200.84 : x
2. Step 2: Convert to fraction form
   140,867.56/194,388.42 = 77,200.84/x
3. Step 3: Cross multiply
   140,867.56x = 194,388.42 × 77,200.84
4. Step 4: Simplify right side
   140,867.56x = 15,006,949,310.27
5. Step 5: Solve for x
   x = 15,006,949,310.27/140,867.56
6. Step 6: Final answer
   x = 106,532.33