Finding the Fourth Proportional to 1,654.82, 2,492.13 and 1,507.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.82 : 2,492.13 = 1,507.20 : x
2. Step 2: Convert to fraction form
   1,654.82/2,492.13 = 1,507.20/x
3. Step 3: Cross multiply
   1,654.82x = 2,492.13 × 1,507.20
4. Step 4: Simplify right side
   1,654.82x = 3,756,138.34
5. Step 5: Solve for x
   x = 3,756,138.34/1,654.82
6. Step 6: Final answer
   x = 2,269.82