Finding the Fourth Proportional to 83,379.72, 125,071.43 and 30,075.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,379.72 : 125,071.43 = 30,075.96 : x
2. Step 2: Convert to fraction form
   83,379.72/125,071.43 = 30,075.96/x
3. Step 3: Cross multiply
   83,379.72x = 125,071.43 × 30,075.96
4. Step 4: Simplify right side
   83,379.72x = 3,761,643,175.44
5. Step 5: Solve for x
   x = 3,761,643,175.44/83,379.72
6. Step 6: Final answer
   x = 45,114.61