Finding the Fourth Proportional to 1,068.82, 1,602.15 and 492.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.82 : 1,602.15 = 492.10 : x
2. Step 2: Convert to fraction form
   1,068.82/1,602.15 = 492.10/x
3. Step 3: Cross multiply
   1,068.82x = 1,602.15 × 492.10
4. Step 4: Simplify right side
   1,068.82x = 788,418.02
5. Step 5: Solve for x
   x = 788,418.02/1,068.82
6. Step 6: Final answer
   x = 737.65