Finding the Fourth Proportional to 10,388.58, 15,585.34 and 3,368.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.58 : 15,585.34 = 3,368.60 : x
2. Step 2: Convert to fraction form
   10,388.58/15,585.34 = 3,368.60/x
3. Step 3: Cross multiply
   10,388.58x = 15,585.34 × 3,368.60
4. Step 4: Simplify right side
   10,388.58x = 52,500,776.32
5. Step 5: Solve for x
   x = 52,500,776.32/10,388.58
6. Step 6: Final answer
   x = 5,053.70