Finding the Fourth Proportional to 42,019.64, 57,988.32 and 23,157.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.64 : 57,988.32 = 23,157.98 : x
2. Step 2: Convert to fraction form
   42,019.64/57,988.32 = 23,157.98/x
3. Step 3: Cross multiply
   42,019.64x = 57,988.32 × 23,157.98
4. Step 4: Simplify right side
   42,019.64x = 1,342,892,354.79
5. Step 5: Solve for x
   x = 1,342,892,354.79/42,019.64
6. Step 6: Final answer
   x = 31,958.68