Finding the Fourth Proportional to 13,061.60, 18,024.72 and 7,093.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.60 : 18,024.72 = 7,093.12 : x
2. Step 2: Convert to fraction form
   13,061.60/18,024.72 = 7,093.12/x
3. Step 3: Cross multiply
   13,061.60x = 18,024.72 × 7,093.12
4. Step 4: Simplify right side
   13,061.60x = 127,851,501.93
5. Step 5: Solve for x
   x = 127,851,501.93/13,061.60
6. Step 6: Final answer
   x = 9,788.35