Finding the Fourth Proportional to 1,901.04, 2,621.82 and 1,507.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.04 : 2,621.82 = 1,507.38 : x
2. Step 2: Convert to fraction form
   1,901.04/2,621.82 = 1,507.38/x
3. Step 3: Cross multiply
   1,901.04x = 2,621.82 × 1,507.38
4. Step 4: Simplify right side
   1,901.04x = 3,952,079.03
5. Step 5: Solve for x
   x = 3,952,079.03/1,901.04
6. Step 6: Final answer
   x = 2,078.90