Finding the Fourth Proportional to 3,925.60, 5,916.63 and 3,384.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.60 : 5,916.63 = 3,384.32 : x
2. Step 2: Convert to fraction form
   3,925.60/5,916.63 = 3,384.32/x
3. Step 3: Cross multiply
   3,925.60x = 5,916.63 × 3,384.32
4. Step 4: Simplify right side
   3,925.60x = 20,023,769.24
5. Step 5: Solve for x
   x = 20,023,769.24/3,925.60
6. Step 6: Final answer
   x = 5,100.82