Finding the Fourth Proportional to 83,404.26, 125,106.42 and 21,074.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,404.26 : 125,106.42 = 21,074.76 : x
2. Step 2: Convert to fraction form
   83,404.26/125,106.42 = 21,074.76/x
3. Step 3: Cross multiply
   83,404.26x = 125,106.42 × 21,074.76
4. Step 4: Simplify right side
   83,404.26x = 2,636,587,775.96
5. Step 5: Solve for x
   x = 2,636,587,775.96/83,404.26
6. Step 6: Final answer
   x = 31,612.15