Finding the Fourth Proportional to 9,917.35, 14,856.55 and 5,748.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,917.35 : 14,856.55 = 5,748.60 : x
2. Step 2: Convert to fraction form
   9,917.35/14,856.55 = 5,748.60/x
3. Step 3: Cross multiply
   9,917.35x = 14,856.55 × 5,748.60
4. Step 4: Simplify right side
   9,917.35x = 85,404,303.57
5. Step 5: Solve for x
   x = 85,404,303.57/9,917.35
6. Step 6: Final answer
   x = 8,611.61