Finding the Fourth Proportional to 1,819.32, 2,510.93 and 1,111.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.32 : 2,510.93 = 1,111.57 : x
2. Step 2: Convert to fraction form
   1,819.32/2,510.93 = 1,111.57/x
3. Step 3: Cross multiply
   1,819.32x = 2,510.93 × 1,111.57
4. Step 4: Simplify right side
   1,819.32x = 2,791,074.46
5. Step 5: Solve for x
   x = 2,791,074.46/1,819.32
6. Step 6: Final answer
   x = 1,534.13