Finding the Fourth Proportional to 45,978.97, 63,458.37 and 42,977.32

Step by Step Solution

1. Step 1: Write the proportion equation
   45,978.97 : 63,458.37 = 42,977.32 : x
2. Step 2: Convert to fraction form
   45,978.97/63,458.37 = 42,977.32/x
3. Step 3: Cross multiply
   45,978.97x = 63,458.37 × 42,977.32
4. Step 4: Simplify right side
   45,978.97x = 2,727,270,674.17
5. Step 5: Solve for x
   x = 2,727,270,674.17/45,978.97
6. Step 6: Final answer
   x = 59,315.61