Finding the Fourth Proportional to 52,938.74, 73,027.90 and 42,878.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,938.74 : 73,027.90 = 42,878.54 : x
2. Step 2: Convert to fraction form
   52,938.74/73,027.90 = 42,878.54/x
3. Step 3: Cross multiply
   52,938.74x = 73,027.90 × 42,878.54
4. Step 4: Simplify right side
   52,938.74x = 3,131,329,731.27
5. Step 5: Solve for x
   x = 3,131,329,731.27/52,938.74
6. Step 6: Final answer
   x = 59,150.06