Finding the Fourth Proportional to 49,290.02, 73,998.60 and 42,314.86

Step by Step Solution

1. Step 1: Write the proportion equation
   49,290.02 : 73,998.60 = 42,314.86 : x
2. Step 2: Convert to fraction form
   49,290.02/73,998.60 = 42,314.86/x
3. Step 3: Cross multiply
   49,290.02x = 73,998.60 × 42,314.86
4. Step 4: Simplify right side
   49,290.02x = 3,131,240,399.20
5. Step 5: Solve for x
   x = 3,131,240,399.20/49,290.02
6. Step 6: Final answer
   x = 63,526.86