Finding the Fourth Proportional to 9,213.62, 12,705.86 and 5,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,213.62 : 12,705.86 = 5,850.50 : x
2. Step 2: Convert to fraction form
   9,213.62/12,705.86 = 5,850.50/x
3. Step 3: Cross multiply
   9,213.62x = 12,705.86 × 5,850.50
4. Step 4: Simplify right side
   9,213.62x = 74,335,541.15
5. Step 5: Solve for x
   x = 74,335,541.15/9,213.62
6. Step 6: Final answer
   x = 8,068.01