Finding the Fourth Proportional to 13,878.34, 19,152.46 and 7,591.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,878.34 : 19,152.46 = 7,591.18 : x
2. Step 2: Convert to fraction form
   13,878.34/19,152.46 = 7,591.18/x
3. Step 3: Cross multiply
   13,878.34x = 19,152.46 × 7,591.18
4. Step 4: Simplify right side
   13,878.34x = 145,389,771.30
5. Step 5: Solve for x
   x = 145,389,771.30/13,878.34
6. Step 6: Final answer
   x = 10,476.02