Finding the Fourth Proportional to 2,333.21, 3,501 and 1,553.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.21 : 3,501 = 1,553.76 : x
2. Step 2: Convert to fraction form
   2,333.21/3,501 = 1,553.76/x
3. Step 3: Cross multiply
   2,333.21x = 3,501 × 1,553.76
4. Step 4: Simplify right side
   2,333.21x = 5,439,713.76
5. Step 5: Solve for x
   x = 5,439,713.76/2,333.21
6. Step 6: Final answer
   x = 2,331.43