Finding the Fourth Proportional to 13,880.82, 19,152.54 and 7,910.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,880.82 : 19,152.54 = 7,910.88 : x
2. Step 2: Convert to fraction form
   13,880.82/19,152.54 = 7,910.88/x
3. Step 3: Cross multiply
   13,880.82x = 19,152.54 × 7,910.88
4. Step 4: Simplify right side
   13,880.82x = 151,513,445.64
5. Step 5: Solve for x
   x = 151,513,445.64/13,880.82
6. Step 6: Final answer
   x = 10,915.31