Finding the Fourth Proportional to 107,100.28, 160,746.78 and 57,223.01

Step by Step Solution

1. Step 1: Write the proportion equation
   107,100.28 : 160,746.78 = 57,223.01 : x
2. Step 2: Convert to fraction form
   107,100.28/160,746.78 = 57,223.01/x
3. Step 3: Cross multiply
   107,100.28x = 160,746.78 × 57,223.01
4. Step 4: Simplify right side
   107,100.28x = 9,198,413,989.78
5. Step 5: Solve for x
   x = 9,198,413,989.78/107,100.28
6. Step 6: Final answer
   x = 85,886.00