Finding the Fourth Proportional to 2,472.31, 3,415.50 and 1,623.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.31 : 3,415.50 = 1,623.58 : x
2. Step 2: Convert to fraction form
   2,472.31/3,415.50 = 1,623.58/x
3. Step 3: Cross multiply
   2,472.31x = 3,415.50 × 1,623.58
4. Step 4: Simplify right side
   2,472.31x = 5,545,312.29
5. Step 5: Solve for x
   x = 5,545,312.29/2,472.31
6. Step 6: Final answer
   x = 2,242.97