Finding the Fourth Proportional to 127,271.25, 175,634.33 and 70,687.89

Step by Step Solution

1. Step 1: Write the proportion equation
   127,271.25 : 175,634.33 = 70,687.89 : x
2. Step 2: Convert to fraction form
   127,271.25/175,634.33 = 70,687.89/x
3. Step 3: Cross multiply
   127,271.25x = 175,634.33 × 70,687.89
4. Step 4: Simplify right side
   127,271.25x = 12,415,219,845.82
5. Step 5: Solve for x
   x = 12,415,219,845.82/127,271.25
6. Step 6: Final answer
   x = 97,549.29