Finding the Fourth Proportional to 83,404.84, 125,120.04 and 28,013.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,404.84 : 125,120.04 = 28,013.80 : x
2. Step 2: Convert to fraction form
   83,404.84/125,120.04 = 28,013.80/x
3. Step 3: Cross multiply
   83,404.84x = 125,120.04 × 28,013.80
4. Step 4: Simplify right side
   83,404.84x = 3,505,087,776.55
5. Step 5: Solve for x
   x = 3,505,087,776.55/83,404.84
6. Step 6: Final answer
   x = 42,024.99