Finding the Fourth Proportional to 107,147.82, 160,248.69 and 64,911.18

Step by Step Solution

1. Step 1: Write the proportion equation
   107,147.82 : 160,248.69 = 64,911.18 : x
2. Step 2: Convert to fraction form
   107,147.82/160,248.69 = 64,911.18/x
3. Step 3: Cross multiply
   107,147.82x = 160,248.69 × 64,911.18
4. Step 4: Simplify right side
   107,147.82x = 10,401,931,561.35
5. Step 5: Solve for x
   x = 10,401,931,561.35/107,147.82
6. Step 6: Final answer
   x = 97,080.20