Finding the Fourth Proportional to 42,883.32, 64,356.30 and 42,557.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,883.32 : 64,356.30 = 42,557.52 : x
2. Step 2: Convert to fraction form
   42,883.32/64,356.30 = 42,557.52/x
3. Step 3: Cross multiply
   42,883.32x = 64,356.30 × 42,557.52
4. Step 4: Simplify right side
   42,883.32x = 2,738,844,524.38
5. Step 5: Solve for x
   x = 2,738,844,524.38/42,883.32
6. Step 6: Final answer
   x = 63,867.36