Finding the Fourth Proportional to 127,800.83, 176,362.78 and 69,658.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127,800.83 : 176,362.78 = 69,658.06 : x
2. Step 2: Convert to fraction form
   127,800.83/176,362.78 = 69,658.06/x
3. Step 3: Cross multiply
   127,800.83x = 176,362.78 × 69,658.06
4. Step 4: Simplify right side
   127,800.83x = 12,285,089,111.01
5. Step 5: Solve for x
   x = 12,285,089,111.01/127,800.83
6. Step 6: Final answer
   x = 96,126.83