Finding the Fourth Proportional to 1,513.62, 2,278.82 and 1,384.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.62 : 2,278.82 = 1,384.46 : x
2. Step 2: Convert to fraction form
   1,513.62/2,278.82 = 1,384.46/x
3. Step 3: Cross multiply
   1,513.62x = 2,278.82 × 1,384.46
4. Step 4: Simplify right side
   1,513.62x = 3,154,935.14
5. Step 5: Solve for x
   x = 3,154,935.14/1,513.62
6. Step 6: Final answer
   x = 2,084.36