Finding the Fourth Proportional to 3,551.02, 4,901.52 and 2,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551.02 : 4,901.52 = 2,153.50 : x
2. Step 2: Convert to fraction form
   3,551.02/4,901.52 = 2,153.50/x
3. Step 3: Cross multiply
   3,551.02x = 4,901.52 × 2,153.50
4. Step 4: Simplify right side
   3,551.02x = 10,555,423.32
5. Step 5: Solve for x
   x = 10,555,423.32/3,551.02
6. Step 6: Final answer
   x = 2,972.50