Finding the Fourth Proportional to 9,916.56, 14,875.38 and 2,521.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,916.56 : 14,875.38 = 2,521.06 : x
2. Step 2: Convert to fraction form
   9,916.56/14,875.38 = 2,521.06/x
3. Step 3: Cross multiply
   9,916.56x = 14,875.38 × 2,521.06
4. Step 4: Simplify right side
   9,916.56x = 37,501,688.31
5. Step 5: Solve for x
   x = 37,501,688.31/9,916.56
6. Step 6: Final answer
   x = 3,781.72