Finding the Fourth Proportional to 1,499.66, 2,070.22 and 1,167.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.66 : 2,070.22 = 1,167.30 : x
2. Step 2: Convert to fraction form
   1,499.66/2,070.22 = 1,167.30/x
3. Step 3: Cross multiply
   1,499.66x = 2,070.22 × 1,167.30
4. Step 4: Simplify right side
   1,499.66x = 2,416,567.81
5. Step 5: Solve for x
   x = 2,416,567.81/1,499.66
6. Step 6: Final answer
   x = 1,611.41