Finding the Fourth Proportional to 66,635.42, 91,947.98 and 42,794.38

Step by Step Solution

1. Step 1: Write the proportion equation
   66,635.42 : 91,947.98 = 42,794.38 : x
2. Step 2: Convert to fraction form
   66,635.42/91,947.98 = 42,794.38/x
3. Step 3: Cross multiply
   66,635.42x = 91,947.98 × 42,794.38
4. Step 4: Simplify right side
   66,635.42x = 3,934,856,796.35
5. Step 5: Solve for x
   x = 3,934,856,796.35/66,635.42
6. Step 6: Final answer
   x = 59,050.53