Finding the Fourth Proportional to 9,700.86, 13,387.01 and 5,451.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,700.86 : 13,387.01 = 5,451.98 : x
2. Step 2: Convert to fraction form
   9,700.86/13,387.01 = 5,451.98/x
3. Step 3: Cross multiply
   9,700.86x = 13,387.01 × 5,451.98
4. Step 4: Simplify right side
   9,700.86x = 72,985,616.58
5. Step 5: Solve for x
   x = 72,985,616.58/9,700.86
6. Step 6: Final answer
   x = 7,523.62