Finding the Fourth Proportional to 1,534.03, 2,116.86 and 904.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,534.03 : 2,116.86 = 904.53 : x
2. Step 2: Convert to fraction form
   1,534.03/2,116.86 = 904.53/x
3. Step 3: Cross multiply
   1,534.03x = 2,116.86 × 904.53
4. Step 4: Simplify right side
   1,534.03x = 1,914,758.98
5. Step 5: Solve for x
   x = 1,914,758.98/1,534.03
6. Step 6: Final answer
   x = 1,248.19