Finding the Fourth Proportional to 127,039.99, 175,314.00 and 69,678.15

Step by Step Solution

1. Step 1: Write the proportion equation
   127,039.99 : 175,314.00 = 69,678.15 : x
2. Step 2: Convert to fraction form
   127,039.99/175,314.00 = 69,678.15/x
3. Step 3: Cross multiply
   127,039.99x = 175,314.00 × 69,678.15
4. Step 4: Simplify right side
   127,039.99x = 12,215,553,964.14
5. Step 5: Solve for x
   x = 12,215,553,964.14/127,039.99
6. Step 6: Final answer
   x = 96,155.18