Finding the Fourth Proportional to 11,620.15, 17,430.10 and 5,051.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,620.15 : 17,430.10 = 5,051.05 : x
2. Step 2: Convert to fraction form
   11,620.15/17,430.10 = 5,051.05/x
3. Step 3: Cross multiply
   11,620.15x = 17,430.10 × 5,051.05
4. Step 4: Simplify right side
   11,620.15x = 88,040,306.61
5. Step 5: Solve for x
   x = 88,040,306.61/11,620.15
6. Step 6: Final answer
   x = 7,576.52