Finding the Fourth Proportional to 10,419.42, 15,625.88 and 3,492.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.42 : 15,625.88 = 3,492.30 : x
2. Step 2: Convert to fraction form
   10,419.42/15,625.88 = 3,492.30/x
3. Step 3: Cross multiply
   10,419.42x = 15,625.88 × 3,492.30
4. Step 4: Simplify right side
   10,419.42x = 54,570,260.72
5. Step 5: Solve for x
   x = 54,570,260.72/10,419.42
6. Step 6: Final answer
   x = 5,237.36