Finding the Fourth Proportional to 83,441.26, 125,162.16 and 21,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,441.26 : 125,162.16 = 21,111.76 : x
2. Step 2: Convert to fraction form
   83,441.26/125,162.16 = 21,111.76/x
3. Step 3: Cross multiply
   83,441.26x = 125,162.16 × 21,111.76
4. Step 4: Simplify right side
   83,441.26x = 2,642,393,483.00
5. Step 5: Solve for x
   x = 2,642,393,483.00/83,441.26
6. Step 6: Final answer
   x = 31,667.71