Finding the Fourth Proportional to 127,076.43, 175,362.80 and 70,487.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,076.43 : 175,362.80 = 70,487.31 : x
2. Step 2: Convert to fraction form
   127,076.43/175,362.80 = 70,487.31/x
3. Step 3: Cross multiply
   127,076.43x = 175,362.80 × 70,487.31
4. Step 4: Simplify right side
   127,076.43x = 12,360,851,693.63
5. Step 5: Solve for x
   x = 12,360,851,693.63/127,076.43
6. Step 6: Final answer
   x = 97,271.00