Finding the Fourth Proportional to 127,643.01, 176,148.78 and 71,054.37

Step by Step Solution

1. Step 1: Write the proportion equation
   127,643.01 : 176,148.78 = 71,054.37 : x
2. Step 2: Convert to fraction form
   127,643.01/176,148.78 = 71,054.37/x
3. Step 3: Cross multiply
   127,643.01x = 176,148.78 × 71,054.37
4. Step 4: Simplify right side
   127,643.01x = 12,516,140,589.17
5. Step 5: Solve for x
   x = 12,516,140,589.17/127,643.01
6. Step 6: Final answer
   x = 98,055.82