Finding the Fourth Proportional to 13,782.30, 19,023.06 and 7,817.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,782.30 : 19,023.06 = 7,817.52 : x
2. Step 2: Convert to fraction form
   13,782.30/19,023.06 = 7,817.52/x
3. Step 3: Cross multiply
   13,782.30x = 19,023.06 × 7,817.52
4. Step 4: Simplify right side
   13,782.30x = 148,713,152.01
5. Step 5: Solve for x
   x = 148,713,152.01/13,782.30
6. Step 6: Final answer
   x = 10,790.15