Finding the Fourth Proportional to 13,784.00, 19,022.13 and 7,815.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,784.00 : 19,022.13 = 7,815.53 : x
2. Step 2: Convert to fraction form
   13,784.00/19,022.13 = 7,815.53/x
3. Step 3: Cross multiply
   13,784.00x = 19,022.13 × 7,815.53
4. Step 4: Simplify right side
   13,784.00x = 148,668,075.23
5. Step 5: Solve for x
   x = 148,668,075.23/13,784.00
6. Step 6: Final answer
   x = 10,785.56