Finding the Fourth Proportional to 1,111.04, 1,656.60 and 1,068.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.04 : 1,656.60 = 1,068.24 : x
2. Step 2: Convert to fraction form
   1,111.04/1,656.60 = 1,068.24/x
3. Step 3: Cross multiply
   1,111.04x = 1,656.60 × 1,068.24
4. Step 4: Simplify right side
   1,111.04x = 1,769,646.38
5. Step 5: Solve for x
   x = 1,769,646.38/1,111.04
6. Step 6: Final answer
   x = 1,592.78