Finding the Fourth Proportional to 9,916.65, 14,875.02 and 2,521.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,916.65 : 14,875.02 = 2,521.10 : x
2. Step 2: Convert to fraction form
   9,916.65/14,875.02 = 2,521.10/x
3. Step 3: Cross multiply
   9,916.65x = 14,875.02 × 2,521.10
4. Step 4: Simplify right side
   9,916.65x = 37,501,338.55
5. Step 5: Solve for x
   x = 37,501,338.55/9,916.65
6. Step 6: Final answer
   x = 3,781.65