Finding the Fourth Proportional to 2,518.47, 3,777.69 and 875.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.47 : 3,777.69 = 875.01 : x
2. Step 2: Convert to fraction form
   2,518.47/3,777.69 = 875.01/x
3. Step 3: Cross multiply
   2,518.47x = 3,777.69 × 875.01
4. Step 4: Simplify right side
   2,518.47x = 3,305,516.53
5. Step 5: Solve for x
   x = 3,305,516.53/2,518.47
6. Step 6: Final answer
   x = 1,312.51