Finding the Fourth Proportional to 28,404.83, 42,560.16 and 17,277.86

Step by Step Solution

1. Step 1: Write the proportion equation
   28,404.83 : 42,560.16 = 17,277.86 : x
2. Step 2: Convert to fraction form
   28,404.83/42,560.16 = 17,277.86/x
3. Step 3: Cross multiply
   28,404.83x = 42,560.16 × 17,277.86
4. Step 4: Simplify right side
   28,404.83x = 735,348,336.86
5. Step 5: Solve for x
   x = 735,348,336.86/28,404.83
6. Step 6: Final answer
   x = 25,888.15