Finding the Fourth Proportional to 7,374.83, 11,053.28 and 3,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,374.83 : 11,053.28 = 3,420.72 : x
2. Step 2: Convert to fraction form
   7,374.83/11,053.28 = 3,420.72/x
3. Step 3: Cross multiply
   7,374.83x = 11,053.28 × 3,420.72
4. Step 4: Simplify right side
   7,374.83x = 37,810,158.86
5. Step 5: Solve for x
   x = 37,810,158.86/7,374.83
6. Step 6: Final answer
   x = 5,126.92