Finding the Fourth Proportional to 1,380.99, 1,905.77 and 751.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380.99 : 1,905.77 = 751.52 : x
2. Step 2: Convert to fraction form
   1,380.99/1,905.77 = 751.52/x
3. Step 3: Cross multiply
   1,380.99x = 1,905.77 × 751.52
4. Step 4: Simplify right side
   1,380.99x = 1,432,224.27
5. Step 5: Solve for x
   x = 1,432,224.27/1,380.99
6. Step 6: Final answer
   x = 1,037.10