Finding the Fourth Proportional to 64,359.84, 88,798.59 and 50,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,359.84 : 88,798.59 = 50,705.50 : x
2. Step 2: Convert to fraction form
   64,359.84/88,798.59 = 50,705.50/x
3. Step 3: Cross multiply
   64,359.84x = 88,798.59 × 50,705.50
4. Step 4: Simplify right side
   64,359.84x = 4,502,576,849.75
5. Step 5: Solve for x
   x = 4,502,576,849.75/64,359.84
6. Step 6: Final answer
   x = 69,959.41