Finding the Fourth Proportional to 127,563.60, 176,038.56 and 70,978.56

Step by Step Solution

1. Step 1: Write the proportion equation
   127,563.60 : 176,038.56 = 70,978.56 : x
2. Step 2: Convert to fraction form
   127,563.60/176,038.56 = 70,978.56/x
3. Step 3: Cross multiply
   127,563.60x = 176,038.56 × 70,978.56
4. Step 4: Simplify right side
   127,563.60x = 12,494,963,493.27
5. Step 5: Solve for x
   x = 12,494,963,493.27/127,563.60
6. Step 6: Final answer
   x = 97,950.85