Finding the Fourth Proportional to 1,419.56, 2,136.86 and 1,011.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.56 : 2,136.86 = 1,011.52 : x
2. Step 2: Convert to fraction form
   1,419.56/2,136.86 = 1,011.52/x
3. Step 3: Cross multiply
   1,419.56x = 2,136.86 × 1,011.52
4. Step 4: Simplify right side
   1,419.56x = 2,161,476.63
5. Step 5: Solve for x
   x = 2,161,476.63/1,419.56
6. Step 6: Final answer
   x = 1,522.64