Finding the Fourth Proportional to 47,039.32, 64,939.50 and 36,339.64

Step by Step Solution

1. Step 1: Write the proportion equation
   47,039.32 : 64,939.50 = 36,339.64 : x
2. Step 2: Convert to fraction form
   47,039.32/64,939.50 = 36,339.64/x
3. Step 3: Cross multiply
   47,039.32x = 64,939.50 × 36,339.64
4. Step 4: Simplify right side
   47,039.32x = 2,359,878,051.78
5. Step 5: Solve for x
   x = 2,359,878,051.78/47,039.32
6. Step 6: Final answer
   x = 50,168.20