Finding the Fourth Proportional to 13,787.34, 19,026.39 and 7,499.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,787.34 : 19,026.39 = 7,499.71 : x
2. Step 2: Convert to fraction form
   13,787.34/19,026.39 = 7,499.71/x
3. Step 3: Cross multiply
   13,787.34x = 19,026.39 × 7,499.71
4. Step 4: Simplify right side
   13,787.34x = 142,692,407.35
5. Step 5: Solve for x
   x = 142,692,407.35/13,787.34
6. Step 6: Final answer
   x = 10,349.52