Finding the Fourth Proportional to 83,382.72, 125,075.94 and 30,078.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,382.72 : 125,075.94 = 30,078.96 : x
2. Step 2: Convert to fraction form
   83,382.72/125,075.94 = 30,078.96/x
3. Step 3: Cross multiply
   83,382.72x = 125,075.94 × 30,078.96
4. Step 4: Simplify right side
   83,382.72x = 3,762,154,196.22
5. Step 5: Solve for x
   x = 3,762,154,196.22/83,382.72
6. Step 6: Final answer
   x = 45,119.11