Finding the Fourth Proportional to 70,243.32, 104,855.94 and 65,040.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,243.32 : 104,855.94 = 65,040.72 : x
2. Step 2: Convert to fraction form
   70,243.32/104,855.94 = 65,040.72/x
3. Step 3: Cross multiply
   70,243.32x = 104,855.94 × 65,040.72
4. Step 4: Simplify right side
   70,243.32x = 6,819,905,833.88
5. Step 5: Solve for x
   x = 6,819,905,833.88/70,243.32
6. Step 6: Final answer
   x = 97,089.74