Finding the Fourth Proportional to 107,065.02, 160,422.33 and 64,817.05

Step by Step Solution

1. Step 1: Write the proportion equation
   107,065.02 : 160,422.33 = 64,817.05 : x
2. Step 2: Convert to fraction form
   107,065.02/160,422.33 = 64,817.05/x
3. Step 3: Cross multiply
   107,065.02x = 160,422.33 × 64,817.05
4. Step 4: Simplify right side
   107,065.02x = 10,398,102,704.28
5. Step 5: Solve for x
   x = 10,398,102,704.28/107,065.02
6. Step 6: Final answer
   x = 97,119.51