Finding the Fourth Proportional to 16,526.89, 24,780.99 and 5,430.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,526.89 : 24,780.99 = 5,430.59 : x
2. Step 2: Convert to fraction form
   16,526.89/24,780.99 = 5,430.59/x
3. Step 3: Cross multiply
   16,526.89x = 24,780.99 × 5,430.59
4. Step 4: Simplify right side
   16,526.89x = 134,575,494.72
5. Step 5: Solve for x
   x = 134,575,494.72/16,526.89
6. Step 6: Final answer
   x = 8,142.82