Finding the Fourth Proportional to 1,412.84, 1,947.56 and 1,113.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.84 : 1,947.56 = 1,113.53 : x
2. Step 2: Convert to fraction form
   1,412.84/1,947.56 = 1,113.53/x
3. Step 3: Cross multiply
   1,412.84x = 1,947.56 × 1,113.53
4. Step 4: Simplify right side
   1,412.84x = 2,168,651.18
5. Step 5: Solve for x
   x = 2,168,651.18/1,412.84
6. Step 6: Final answer
   x = 1,534.96