Finding the Fourth Proportional to 13,153.94, 19,726.05 and 5,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,153.94 : 19,726.05 = 5,358.50 : x
2. Step 2: Convert to fraction form
   13,153.94/19,726.05 = 5,358.50/x
3. Step 3: Cross multiply
   13,153.94x = 19,726.05 × 5,358.50
4. Step 4: Simplify right side
   13,153.94x = 105,702,038.93
5. Step 5: Solve for x
   x = 105,702,038.93/13,153.94
6. Step 6: Final answer
   x = 8,035.77