Finding the Fourth Proportional to 49,313.16, 73,906.20 and 42,962.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,313.16 : 73,906.20 = 42,962.31 : x
2. Step 2: Convert to fraction form
   49,313.16/73,906.20 = 42,962.31/x
3. Step 3: Cross multiply
   49,313.16x = 73,906.20 × 42,962.31
4. Step 4: Simplify right side
   49,313.16x = 3,175,181,075.32
5. Step 5: Solve for x
   x = 3,175,181,075.32/49,313.16
6. Step 6: Final answer
   x = 64,388.11