Finding the Fourth Proportional to 13,023.39, 19,492.46 and 7,085.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,023.39 : 19,492.46 = 7,085.45 : x
2. Step 2: Convert to fraction form
   13,023.39/19,492.46 = 7,085.45/x
3. Step 3: Cross multiply
   13,023.39x = 19,492.46 × 7,085.45
4. Step 4: Simplify right side
   13,023.39x = 138,112,850.71
5. Step 5: Solve for x
   x = 138,112,850.71/13,023.39
6. Step 6: Final answer
   x = 10,604.98