Finding the Fourth Proportional to 92,924.22, 139,365.32 and 42,976.91

Step by Step Solution

1. Step 1: Write the proportion equation
   92,924.22 : 139,365.32 = 42,976.91 : x
2. Step 2: Convert to fraction form
   92,924.22/139,365.32 = 42,976.91/x
3. Step 3: Cross multiply
   92,924.22x = 139,365.32 × 42,976.91
4. Step 4: Simplify right side
   92,924.22x = 5,989,489,903.05
5. Step 5: Solve for x
   x = 5,989,489,903.05/92,924.22
6. Step 6: Final answer
   x = 64,455.64