Finding the Fourth Proportional to 13,787.55, 19,026.27 and 7,499.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,787.55 : 19,026.27 = 7,499.94 : x
2. Step 2: Convert to fraction form
   13,787.55/19,026.27 = 7,499.94/x
3. Step 3: Cross multiply
   13,787.55x = 19,026.27 × 7,499.94
4. Step 4: Simplify right side
   13,787.55x = 142,695,883.42
5. Step 5: Solve for x
   x = 142,695,883.42/13,787.55
6. Step 6: Final answer
   x = 10,349.62