Finding the Fourth Proportional to 1,009.28, 1,513.86 and 601.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009.28 : 1,513.86 = 601.01 : x
2. Step 2: Convert to fraction form
   1,009.28/1,513.86 = 601.01/x
3. Step 3: Cross multiply
   1,009.28x = 1,513.86 × 601.01
4. Step 4: Simplify right side
   1,009.28x = 909,837.43
5. Step 5: Solve for x
   x = 909,837.43/1,009.28
6. Step 6: Final answer
   x = 901.48