Finding the Fourth Proportional to 107,099.34, 147,793.59 and 64,650.48

Step by Step Solution

1. Step 1: Write the proportion equation
   107,099.34 : 147,793.59 = 64,650.48 : x
2. Step 2: Convert to fraction form
   107,099.34/147,793.59 = 64,650.48/x
3. Step 3: Cross multiply
   107,099.34x = 147,793.59 × 64,650.48
4. Step 4: Simplify right side
   107,099.34x = 9,554,926,534.42
5. Step 5: Solve for x
   x = 9,554,926,534.42/107,099.34
6. Step 6: Final answer
   x = 89,215.55