Finding the Fourth Proportional to 140,784.06, 194,282.03 and 77,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,784.06 : 194,282.03 = 77,124.10 : x
2. Step 2: Convert to fraction form
   140,784.06/194,282.03 = 77,124.10/x
3. Step 3: Cross multiply
   140,784.06x = 194,282.03 × 77,124.10
4. Step 4: Simplify right side
   140,784.06x = 14,983,826,709.92
5. Step 5: Solve for x
   x = 14,983,826,709.92/140,784.06
6. Step 6: Final answer
   x = 106,431.27