Finding the Fourth Proportional to 127,677.94, 176,196.78 and 71,090.53

Step by Step Solution

1. Step 1: Write the proportion equation
   127,677.94 : 176,196.78 = 71,090.53 : x
2. Step 2: Convert to fraction form
   127,677.94/176,196.78 = 71,090.53/x
3. Step 3: Cross multiply
   127,677.94x = 176,196.78 × 71,090.53
4. Step 4: Simplify right side
   127,677.94x = 12,525,922,034.00
5. Step 5: Solve for x
   x = 12,525,922,034.00/127,677.94
6. Step 6: Final answer
   x = 98,105.61