Finding the Fourth Proportional to 3,457.89, 4,772.43 and 2,061.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,457.89 : 4,772.43 = 2,061.45 : x
2. Step 2: Convert to fraction form
   3,457.89/4,772.43 = 2,061.45/x
3. Step 3: Cross multiply
   3,457.89x = 4,772.43 × 2,061.45
4. Step 4: Simplify right side
   3,457.89x = 9,838,125.82
5. Step 5: Solve for x
   x = 9,838,125.82/3,457.89
6. Step 6: Final answer
   x = 2,845.12