Finding the Fourth Proportional to 127,185.47, 175,518.02 and 69,830.09

Step by Step Solution

1. Step 1: Write the proportion equation
   127,185.47 : 175,518.02 = 69,830.09 : x
2. Step 2: Convert to fraction form
   127,185.47/175,518.02 = 69,830.09/x
3. Step 3: Cross multiply
   127,185.47x = 175,518.02 × 69,830.09
4. Step 4: Simplify right side
   127,185.47x = 12,256,437,906.48
5. Step 5: Solve for x
   x = 12,256,437,906.48/127,185.47
6. Step 6: Final answer
   x = 96,366.65