Finding the Fourth Proportional to 64,828.59, 89,468.72 and 36,536.19

Step by Step Solution

1. Step 1: Write the proportion equation
   64,828.59 : 89,468.72 = 36,536.19 : x
2. Step 2: Convert to fraction form
   64,828.59/89,468.72 = 36,536.19/x
3. Step 3: Cross multiply
   64,828.59x = 89,468.72 × 36,536.19
4. Step 4: Simplify right side
   64,828.59x = 3,268,846,152.98
5. Step 5: Solve for x
   x = 3,268,846,152.98/64,828.59
6. Step 6: Final answer
   x = 50,422.91