Finding the Fourth Proportional to 127,089.71, 175,404.83 and 70,519.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,089.71 : 175,404.83 = 70,519.31 : x
2. Step 2: Convert to fraction form
   127,089.71/175,404.83 = 70,519.31/x
3. Step 3: Cross multiply
   127,089.71x = 175,404.83 × 70,519.31
4. Step 4: Simplify right side
   127,089.71x = 12,369,427,229.67
5. Step 5: Solve for x
   x = 12,369,427,229.67/127,089.71
6. Step 6: Final answer
   x = 97,328.31