Finding the Fourth Proportional to 52,077.81, 71,838.60 and 42,397.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,077.81 : 71,838.60 = 42,397.68 : x
2. Step 2: Convert to fraction form
   52,077.81/71,838.60 = 42,397.68/x
3. Step 3: Cross multiply
   52,077.81x = 71,838.60 × 42,397.68
4. Step 4: Simplify right side
   52,077.81x = 3,045,789,919.25
5. Step 5: Solve for x
   x = 3,045,789,919.25/52,077.81
6. Step 6: Final answer
   x = 58,485.37