Finding the Fourth Proportional to 12,510.51, 18,762.57 and 5,113.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,510.51 : 18,762.57 = 5,113.59 : x
2. Step 2: Convert to fraction form
   12,510.51/18,762.57 = 5,113.59/x
3. Step 3: Cross multiply
   12,510.51x = 18,762.57 × 5,113.59
4. Step 4: Simplify right side
   12,510.51x = 95,944,090.33
5. Step 5: Solve for x
   x = 95,944,090.33/12,510.51
6. Step 6: Final answer
   x = 7,669.08