Finding the Fourth Proportional to 82,578.32, 113,938.56 and 48,588.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,578.32 : 113,938.56 = 48,588.29 : x
2. Step 2: Convert to fraction form
   82,578.32/113,938.56 = 48,588.29/x
3. Step 3: Cross multiply
   82,578.32x = 113,938.56 × 48,588.29
4. Step 4: Simplify right side
   82,578.32x = 5,536,079,795.46
5. Step 5: Solve for x
   x = 5,536,079,795.46/82,578.32
6. Step 6: Final answer
   x = 67,040.35