Finding the Fourth Proportional to 9,428.00, 13,010.99 and 5,651.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,428.00 : 13,010.99 = 5,651.78 : x
2. Step 2: Convert to fraction form
   9,428.00/13,010.99 = 5,651.78/x
3. Step 3: Cross multiply
   9,428.00x = 13,010.99 × 5,651.78
4. Step 4: Simplify right side
   9,428.00x = 73,535,159.75
5. Step 5: Solve for x
   x = 73,535,159.75/9,428.00
6. Step 6: Final answer
   x = 7,799.66