Finding the Fourth Proportional to 9,914.39, 14,871.61 and 3,345.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,914.39 : 14,871.61 = 3,345.18 : x
2. Step 2: Convert to fraction form
   9,914.39/14,871.61 = 3,345.18/x
3. Step 3: Cross multiply
   9,914.39x = 14,871.61 × 3,345.18
4. Step 4: Simplify right side
   9,914.39x = 49,748,212.34
5. Step 5: Solve for x
   x = 49,748,212.34/9,914.39
6. Step 6: Final answer
   x = 5,017.78