Finding the Fourth Proportional to 50,665.64, 69,924.50 and 42,152.74

Step by Step Solution

1. Step 1: Write the proportion equation
   50,665.64 : 69,924.50 = 42,152.74 : x
2. Step 2: Convert to fraction form
   50,665.64/69,924.50 = 42,152.74/x
3. Step 3: Cross multiply
   50,665.64x = 69,924.50 × 42,152.74
4. Step 4: Simplify right side
   50,665.64x = 2,947,509,040.63
5. Step 5: Solve for x
   x = 2,947,509,040.63/50,665.64
6. Step 6: Final answer
   x = 58,175.71