Finding the Fourth Proportional to 1,558.69, 2,151.11 and 1,510.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.69 : 2,151.11 = 1,510.22 : x
2. Step 2: Convert to fraction form
   1,558.69/2,151.11 = 1,510.22/x
3. Step 3: Cross multiply
   1,558.69x = 2,151.11 × 1,510.22
4. Step 4: Simplify right side
   1,558.69x = 3,248,649.34
5. Step 5: Solve for x
   x = 3,248,649.34/1,558.69
6. Step 6: Final answer
   x = 2,084.22