Finding the Fourth Proportional to 11,345.77, 17,020.47 and 4,773.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,345.77 : 17,020.47 = 4,773.83 : x
2. Step 2: Convert to fraction form
   11,345.77/17,020.47 = 4,773.83/x
3. Step 3: Cross multiply
   11,345.77x = 17,020.47 × 4,773.83
4. Step 4: Simplify right side
   11,345.77x = 81,252,830.30
5. Step 5: Solve for x
   x = 81,252,830.30/11,345.77
6. Step 6: Final answer
   x = 7,161.51