Finding the Fourth Proportional to 64,333.89, 96,496.20 and 19,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,333.89 : 96,496.20 = 19,959.50 : x
2. Step 2: Convert to fraction form
   64,333.89/96,496.20 = 19,959.50/x
3. Step 3: Cross multiply
   64,333.89x = 96,496.20 × 19,959.50
4. Step 4: Simplify right side
   64,333.89x = 1,926,015,421.42
5. Step 5: Solve for x
   x = 1,926,015,421.42/64,333.89
6. Step 6: Final answer
   x = 29,937.80