Finding the Fourth Proportional to 1,602.83, 2,211.82 and 904.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.83 : 2,211.82 = 904.16 : x
2. Step 2: Convert to fraction form
   1,602.83/2,211.82 = 904.16/x
3. Step 3: Cross multiply
   1,602.83x = 2,211.82 × 904.16
4. Step 4: Simplify right side
   1,602.83x = 1,999,839.17
5. Step 5: Solve for x
   x = 1,999,839.17/1,602.83
6. Step 6: Final answer
   x = 1,247.69