Finding the Fourth Proportional to 9,913.59, 14,870.34 and 3,339.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,913.59 : 14,870.34 = 3,339.77 : x
2. Step 2: Convert to fraction form
   9,913.59/14,870.34 = 3,339.77/x
3. Step 3: Cross multiply
   9,913.59x = 14,870.34 × 3,339.77
4. Step 4: Simplify right side
   9,913.59x = 49,663,441.07
5. Step 5: Solve for x
   x = 49,663,441.07/9,913.59
6. Step 6: Final answer
   x = 5,009.63