Finding the Fourth Proportional to 67,648.68, 93,293.51 and 58,085.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67,648.68 : 93,293.51 = 58,085.57 : x
2. Step 2: Convert to fraction form
   67,648.68/93,293.51 = 58,085.57/x
3. Step 3: Cross multiply
   67,648.68x = 93,293.51 × 58,085.57
4. Step 4: Simplify right side
   67,648.68x = 5,419,006,648.46
5. Step 5: Solve for x
   x = 5,419,006,648.46/67,648.68
6. Step 6: Final answer
   x = 80,105.14