Finding the Fourth Proportional to 116,919.87, 175,336.74 and 42,019.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,919.87 : 175,336.74 = 42,019.98 : x
2. Step 2: Convert to fraction form
   116,919.87/175,336.74 = 42,019.98/x
3. Step 3: Cross multiply
   116,919.87x = 175,336.74 × 42,019.98
4. Step 4: Simplify right side
   116,919.87x = 7,367,646,308.07
5. Step 5: Solve for x
   x = 7,367,646,308.07/116,919.87
6. Step 6: Final answer
   x = 63,014.49