Finding the Fourth Proportional to 66,614.82, 91,969.41 and 42,783.49

Step by Step Solution

1. Step 1: Write the proportion equation
   66,614.82 : 91,969.41 = 42,783.49 : x
2. Step 2: Convert to fraction form
   66,614.82/91,969.41 = 42,783.49/x
3. Step 3: Cross multiply
   66,614.82x = 91,969.41 × 42,783.49
4. Step 4: Simplify right side
   66,614.82x = 3,934,772,333.04
5. Step 5: Solve for x
   x = 3,934,772,333.04/66,614.82
6. Step 6: Final answer
   x = 59,067.52