Finding the Fourth Proportional to 4,100.78, 6,151.62 and 1,503.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,100.78 : 6,151.62 = 1,503.72 : x
2. Step 2: Convert to fraction form
   4,100.78/6,151.62 = 1,503.72/x
3. Step 3: Cross multiply
   4,100.78x = 6,151.62 × 1,503.72
4. Step 4: Simplify right side
   4,100.78x = 9,250,314.03
5. Step 5: Solve for x
   x = 9,250,314.03/4,100.78
6. Step 6: Final answer
   x = 2,255.75