Finding the Fourth Proportional to 82,791.61, 124,174.86 and 30,201.15

Step by Step Solution

1. Step 1: Write the proportion equation
   82,791.61 : 124,174.86 = 30,201.15 : x
2. Step 2: Convert to fraction form
   82,791.61/124,174.86 = 30,201.15/x
3. Step 3: Cross multiply
   82,791.61x = 124,174.86 × 30,201.15
4. Step 4: Simplify right side
   82,791.61x = 3,750,223,573.09
5. Step 5: Solve for x
   x = 3,750,223,573.09/82,791.61
6. Step 6: Final answer
   x = 45,297.15