Finding the Fourth Proportional to 10,388.24, 15,580.99 and 2,892.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388.24 : 15,580.99 = 2,892.30 : x
2. Step 2: Convert to fraction form
   10,388.24/15,580.99 = 2,892.30/x
3. Step 3: Cross multiply
   10,388.24x = 15,580.99 × 2,892.30
4. Step 4: Simplify right side
   10,388.24x = 45,064,897.38
5. Step 5: Solve for x
   x = 45,064,897.38/10,388.24
6. Step 6: Final answer
   x = 4,338.07