Finding the Fourth Proportional to 51,342.96, 70,807.24 and 42,757.57

Step by Step Solution

1. Step 1: Write the proportion equation
   51,342.96 : 70,807.24 = 42,757.57 : x
2. Step 2: Convert to fraction form
   51,342.96/70,807.24 = 42,757.57/x
3. Step 3: Cross multiply
   51,342.96x = 70,807.24 × 42,757.57
4. Step 4: Simplify right side
   51,342.96x = 3,027,545,662.76
5. Step 5: Solve for x
   x = 3,027,545,662.76/51,342.96
6. Step 6: Final answer
   x = 58,967.10