Finding the Fourth Proportional to 127,298.71, 175,677.78 and 70,710.09

Step by Step Solution

1. Step 1: Write the proportion equation
   127,298.71 : 175,677.78 = 70,710.09 : x
2. Step 2: Convert to fraction form
   127,298.71/175,677.78 = 70,710.09/x
3. Step 3: Cross multiply
   127,298.71x = 175,677.78 × 70,710.09
4. Step 4: Simplify right side
   127,298.71x = 12,422,191,634.80
5. Step 5: Solve for x
   x = 12,422,191,634.80/127,298.71
6. Step 6: Final answer
   x = 97,583.01