Finding the Fourth Proportional to 1,416.82, 1,953.42 and 1,013.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.82 : 1,953.42 = 1,013.53 : x
2. Step 2: Convert to fraction form
   1,416.82/1,953.42 = 1,013.53/x
3. Step 3: Cross multiply
   1,416.82x = 1,953.42 × 1,013.53
4. Step 4: Simplify right side
   1,416.82x = 1,979,849.77
5. Step 5: Solve for x
   x = 1,979,849.77/1,416.82
6. Step 6: Final answer
   x = 1,397.39