Finding the Fourth Proportional to 1,901.10, 2,623.49 and 1,061.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.10 : 2,623.49 = 1,061.81 : x
2. Step 2: Convert to fraction form
   1,901.10/2,623.49 = 1,061.81/x
3. Step 3: Cross multiply
   1,901.10x = 2,623.49 × 1,061.81
4. Step 4: Simplify right side
   1,901.10x = 2,785,649.17
5. Step 5: Solve for x
   x = 2,785,649.17/1,901.10
6. Step 6: Final answer
   x = 1,465.29