Finding the Fourth Proportional to 10,397.84, 15,591.72 and 3,470

Step by Step Solution

1. Step 1: Write the proportion equation
   10,397.84 : 15,591.72 = 3,470 : x
2. Step 2: Convert to fraction form
   10,397.84/15,591.72 = 3,470/x
3. Step 3: Cross multiply
   10,397.84x = 15,591.72 × 3,470
4. Step 4: Simplify right side
   10,397.84x = 54,103,268.40
5. Step 5: Solve for x
   x = 54,103,268.40/10,397.84
6. Step 6: Final answer
   x = 5,203.32