Finding the Fourth Proportional to 83,788.89, 125,643.74 and 30,443.69

Step by Step Solution

1. Step 1: Write the proportion equation
   83,788.89 : 125,643.74 = 30,443.69 : x
2. Step 2: Convert to fraction form
   83,788.89/125,643.74 = 30,443.69/x
3. Step 3: Cross multiply
   83,788.89x = 125,643.74 × 30,443.69
4. Step 4: Simplify right side
   83,788.89x = 3,825,059,071.00
5. Step 5: Solve for x
   x = 3,825,059,071.00/83,788.89
6. Step 6: Final answer
   x = 45,651.15