Finding the Fourth Proportional to 42,019.84, 57,987.06 and 23,156.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.84 : 57,987.06 = 23,156.96 : x
2. Step 2: Convert to fraction form
   42,019.84/57,987.06 = 23,156.96/x
3. Step 3: Cross multiply
   42,019.84x = 57,987.06 × 23,156.96
4. Step 4: Simplify right side
   42,019.84x = 1,342,804,028.94
5. Step 5: Solve for x
   x = 1,342,804,028.94/42,019.84
6. Step 6: Final answer
   x = 31,956.43