Finding the Fourth Proportional to 64,647.51, 89,214.65 and 35,969.46

Step by Step Solution

1. Step 1: Write the proportion equation
   64,647.51 : 89,214.65 = 35,969.46 : x
2. Step 2: Convert to fraction form
   64,647.51/89,214.65 = 35,969.46/x
3. Step 3: Cross multiply
   64,647.51x = 89,214.65 × 35,969.46
4. Step 4: Simplify right side
   64,647.51x = 3,209,002,784.59
5. Step 5: Solve for x
   x = 3,209,002,784.59/64,647.51
6. Step 6: Final answer
   x = 49,638.46