Finding the Fourth Proportional to 42,944.52, 64,418.80 and 35,434.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,944.52 : 64,418.80 = 35,434.15 : x
2. Step 2: Convert to fraction form
   42,944.52/64,418.80 = 35,434.15/x
3. Step 3: Cross multiply
   42,944.52x = 64,418.80 × 35,434.15
4. Step 4: Simplify right side
   42,944.52x = 2,282,625,099.93
5. Step 5: Solve for x
   x = 2,282,625,099.93/42,944.52
6. Step 6: Final answer
   x = 53,152.88