Finding the Fourth Proportional to 42,145.64, 63,227.69 and 15,850.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,145.64 : 63,227.69 = 15,850.37 : x
2. Step 2: Convert to fraction form
   42,145.64/63,227.69 = 15,850.37/x
3. Step 3: Cross multiply
   42,145.64x = 63,227.69 × 15,850.37
4. Step 4: Simplify right side
   42,145.64x = 1,002,182,478.44
5. Step 5: Solve for x
   x = 1,002,182,478.44/42,145.64
6. Step 6: Final answer
   x = 23,779.03