Finding the Fourth Proportional to 1,111.01, 1,666.71 and 370.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.01 : 1,666.71 = 370.67 : x
2. Step 2: Convert to fraction form
   1,111.01/1,666.71 = 370.67/x
3. Step 3: Cross multiply
   1,111.01x = 1,666.71 × 370.67
4. Step 4: Simplify right side
   1,111.01x = 617,803.56
5. Step 5: Solve for x
   x = 617,803.56/1,111.01
6. Step 6: Final answer
   x = 556.07