Finding the Fourth Proportional to 10,436.99, 15,659.33 and 4,892.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.99 : 15,659.33 = 4,892.13 : x
2. Step 2: Convert to fraction form
   10,436.99/15,659.33 = 4,892.13/x
3. Step 3: Cross multiply
   10,436.99x = 15,659.33 × 4,892.13
4. Step 4: Simplify right side
   10,436.99x = 76,607,453.61
5. Step 5: Solve for x
   x = 76,607,453.61/10,436.99
6. Step 6: Final answer
   x = 7,340.00