Finding the Fourth Proportional to 127,256.71, 175,607.41 and 72,809.94

Step by Step Solution

1. Step 1: Write the proportion equation
   127,256.71 : 175,607.41 = 72,809.94 : x
2. Step 2: Convert to fraction form
   127,256.71/175,607.41 = 72,809.94/x
3. Step 3: Cross multiply
   127,256.71x = 175,607.41 × 72,809.94
4. Step 4: Simplify right side
   127,256.71x = 12,785,964,303.72
5. Step 5: Solve for x
   x = 12,785,964,303.72/127,256.71
6. Step 6: Final answer
   x = 100,473.79