Finding the Fourth Proportional to 1,051.59, 1,576.35 and 904.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.59 : 1,576.35 = 904.83 : x
2. Step 2: Convert to fraction form
   1,051.59/1,576.35 = 904.83/x
3. Step 3: Cross multiply
   1,051.59x = 1,576.35 × 904.83
4. Step 4: Simplify right side
   1,051.59x = 1,426,328.77
5. Step 5: Solve for x
   x = 1,426,328.77/1,051.59
6. Step 6: Final answer
   x = 1,356.35