Finding the Fourth Proportional to 2,978.77, 4,465.01 and 1,002.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.77 : 4,465.01 = 1,002.52 : x
2. Step 2: Convert to fraction form
   2,978.77/4,465.01 = 1,002.52/x
3. Step 3: Cross multiply
   2,978.77x = 4,465.01 × 1,002.52
4. Step 4: Simplify right side
   2,978.77x = 4,476,256.81
5. Step 5: Solve for x
   x = 4,476,256.81/2,978.77
6. Step 6: Final answer
   x = 1,502.72