Finding the Fourth Proportional to 92,744.94, 139,101.24 and 42,820.77

Step by Step Solution

1. Step 1: Write the proportion equation
   92,744.94 : 139,101.24 = 42,820.77 : x
2. Step 2: Convert to fraction form
   92,744.94/139,101.24 = 42,820.77/x
3. Step 3: Cross multiply
   92,744.94x = 139,101.24 × 42,820.77
4. Step 4: Simplify right side
   92,744.94x = 5,956,422,204.75
5. Step 5: Solve for x
   x = 5,956,422,204.75/92,744.94
6. Step 6: Final answer
   x = 64,223.69