Finding the Fourth Proportional to 116,659,563.59, 174,965,591.98 and 42,857,978

Step by Step Solution

1. Step 1: Write the proportion equation
   116,659,563.59 : 174,965,591.98 = 42,857,978 : x
2. Step 2: Convert to fraction form
   116,659,563.59/174,965,591.98 = 42,857,978/x
3. Step 3: Cross multiply
   116,659,563.59x = 174,965,591.98 × 42,857,978
4. Step 4: Simplify right side
   116,659,563.59x = 7,498,671,491,835,816
5. Step 5: Solve for x
   x = 7,498,671,491,835,816/116,659,563.59
6. Step 6: Final answer
   x = 64,278,240.56