Finding the Fourth Proportional to 127,087.83, 175,381.41 and 70,499.21

Step by Step Solution

1. Step 1: Write the proportion equation
   127,087.83 : 175,381.41 = 70,499.21 : x
2. Step 2: Convert to fraction form
   127,087.83/175,381.41 = 70,499.21/x
3. Step 3: Cross multiply
   127,087.83x = 175,381.41 × 70,499.21
4. Step 4: Simplify right side
   127,087.83x = 12,364,249,976.78
5. Step 5: Solve for x
   x = 12,364,249,976.78/127,087.83
6. Step 6: Final answer
   x = 97,289.02