Finding the Fourth Proportional to 73,908, 101,997.36 and 42,078.24

Step by Step Solution

1. Step 1: Write the proportion equation
   73,908 : 101,997.36 = 42,078.24 : x
2. Step 2: Convert to fraction form
   73,908/101,997.36 = 42,078.24/x
3. Step 3: Cross multiply
   73,908x = 101,997.36 × 42,078.24
4. Step 4: Simplify right side
   73,908x = 4,291,869,393.45
5. Step 5: Solve for x
   x = 4,291,869,393.45/73,908
6. Step 6: Final answer
   x = 58,070.43