Finding the Fourth Proportional to 1,147.54, 1,713.53 and 901.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.54 : 1,713.53 = 901.30 : x
2. Step 2: Convert to fraction form
   1,147.54/1,713.53 = 901.30/x
3. Step 3: Cross multiply
   1,147.54x = 1,713.53 × 901.30
4. Step 4: Simplify right side
   1,147.54x = 1,544,404.59
5. Step 5: Solve for x
   x = 1,544,404.59/1,147.54
6. Step 6: Final answer
   x = 1,345.84