Finding the Fourth Proportional to 1,401.10, 1,935.35 and 1,136.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.10 : 1,935.35 = 1,136.53 : x
2. Step 2: Convert to fraction form
   1,401.10/1,935.35 = 1,136.53/x
3. Step 3: Cross multiply
   1,401.10x = 1,935.35 × 1,136.53
4. Step 4: Simplify right side
   1,401.10x = 2,199,583.34
5. Step 5: Solve for x
   x = 2,199,583.34/1,401.10
6. Step 6: Final answer
   x = 1,569.90