Finding the Fourth Proportional to 1,111.59, 1,533.10 and 1,037.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.59 : 1,533.10 = 1,037.07 : x
2. Step 2: Convert to fraction form
   1,111.59/1,533.10 = 1,037.07/x
3. Step 3: Cross multiply
   1,111.59x = 1,533.10 × 1,037.07
4. Step 4: Simplify right side
   1,111.59x = 1,589,932.02
5. Step 5: Solve for x
   x = 1,589,932.02/1,111.59
6. Step 6: Final answer
   x = 1,430.32