Finding the Fourth Proportional to 13,925.98, 19,217.59 and 7,876.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,925.98 : 19,217.59 = 7,876.11 : x
2. Step 2: Convert to fraction form
   13,925.98/19,217.59 = 7,876.11/x
3. Step 3: Cross multiply
   13,925.98x = 19,217.59 × 7,876.11
4. Step 4: Simplify right side
   13,925.98x = 151,359,905.15
5. Step 5: Solve for x
   x = 151,359,905.15/13,925.98
6. Step 6: Final answer
   x = 10,868.89