Finding the Fourth Proportional to 8,715.34, 12,030.86 and 5,886.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,715.34 : 12,030.86 = 5,886.55 : x
2. Step 2: Convert to fraction form
   8,715.34/12,030.86 = 5,886.55/x
3. Step 3: Cross multiply
   8,715.34x = 12,030.86 × 5,886.55
4. Step 4: Simplify right side
   8,715.34x = 70,820,258.93
5. Step 5: Solve for x
   x = 70,820,258.93/8,715.34
6. Step 6: Final answer
   x = 8,125.93