Finding the Fourth Proportional to 1,492.08, 2,059.18 and 862.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.08 : 2,059.18 = 862.72 : x
2. Step 2: Convert to fraction form
   1,492.08/2,059.18 = 862.72/x
3. Step 3: Cross multiply
   1,492.08x = 2,059.18 × 862.72
4. Step 4: Simplify right side
   1,492.08x = 1,776,495.77
5. Step 5: Solve for x
   x = 1,776,495.77/1,492.08
6. Step 6: Final answer
   x = 1,190.62