Finding the Fourth Proportional to 9,699.72, 14,552.01 and 3,125.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,699.72 : 14,552.01 = 3,125.76 : x
2. Step 2: Convert to fraction form
   9,699.72/14,552.01 = 3,125.76/x
3. Step 3: Cross multiply
   9,699.72x = 14,552.01 × 3,125.76
4. Step 4: Simplify right side
   9,699.72x = 45,486,090.78
5. Step 5: Solve for x
   x = 45,486,090.78/9,699.72
6. Step 6: Final answer
   x = 4,689.42