Finding the Fourth Proportional to 64,086.23, 96,118.98 and 21,964.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,086.23 : 96,118.98 = 21,964.61 : x
2. Step 2: Convert to fraction form
   64,086.23/96,118.98 = 21,964.61/x
3. Step 3: Cross multiply
   64,086.23x = 96,118.98 × 21,964.61
4. Step 4: Simplify right side
   64,086.23x = 2,111,215,428.70
5. Step 5: Solve for x
   x = 2,111,215,428.70/64,086.23
6. Step 6: Final answer
   x = 32,943.36