Finding the Fourth Proportional to 107,070.72, 160,567.20 and 35,972.16

Step by Step Solution

1. Step 1: Write the proportion equation
   107,070.72 : 160,567.20 = 35,972.16 : x
2. Step 2: Convert to fraction form
   107,070.72/160,567.20 = 35,972.16/x
3. Step 3: Cross multiply
   107,070.72x = 160,567.20 × 35,972.16
4. Step 4: Simplify right side
   107,070.72x = 5,775,949,009.15
5. Step 5: Solve for x
   x = 5,775,949,009.15/107,070.72
6. Step 6: Final answer
   x = 53,945.18