Finding the Fourth Proportional to 1,076.13, 1,611.77 and 1,051.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.13 : 1,611.77 = 1,051.83 : x
2. Step 2: Convert to fraction form
   1,076.13/1,611.77 = 1,051.83/x
3. Step 3: Cross multiply
   1,076.13x = 1,611.77 × 1,051.83
4. Step 4: Simplify right side
   1,076.13x = 1,695,302.78
5. Step 5: Solve for x
   x = 1,695,302.78/1,076.13
6. Step 6: Final answer
   x = 1,575.37