Finding the Fourth Proportional to 42,823.16, 64,139.68 and 32,889.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,823.16 : 64,139.68 = 32,889.32 : x
2. Step 2: Convert to fraction form
   42,823.16/64,139.68 = 32,889.32/x
3. Step 3: Cross multiply
   42,823.16x = 64,139.68 × 32,889.32
4. Step 4: Simplify right side
   42,823.16x = 2,109,510,460.22
5. Step 5: Solve for x
   x = 2,109,510,460.22/42,823.16
6. Step 6: Final answer
   x = 49,260.97