Finding the Fourth Proportional to 127,145.63, 175,466.43 and 70,557

Step by Step Solution

1. Step 1: Write the proportion equation
   127,145.63 : 175,466.43 = 70,557 : x
2. Step 2: Convert to fraction form
   127,145.63/175,466.43 = 70,557/x
3. Step 3: Cross multiply
   127,145.63x = 175,466.43 × 70,557
4. Step 4: Simplify right side
   127,145.63x = 12,380,384,901.51
5. Step 5: Solve for x
   x = 12,380,384,901.51/127,145.63
6. Step 6: Final answer
   x = 97,371.69