Finding the Fourth Proportional to 13,152.06, 18,144.27 and 7,845.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152.06 : 18,144.27 = 7,845.84 : x
2. Step 2: Convert to fraction form
   13,152.06/18,144.27 = 7,845.84/x
3. Step 3: Cross multiply
   13,152.06x = 18,144.27 × 7,845.84
4. Step 4: Simplify right side
   13,152.06x = 142,357,039.34
5. Step 5: Solve for x
   x = 142,357,039.34/13,152.06
6. Step 6: Final answer
   x = 10,823.93