Finding the Fourth Proportional to 92,744.82, 139,101.07 and 42,820.66

Step by Step Solution

1. Step 1: Write the proportion equation
   92,744.82 : 139,101.07 = 42,820.66 : x
2. Step 2: Convert to fraction form
   92,744.82/139,101.07 = 42,820.66/x
3. Step 3: Cross multiply
   92,744.82x = 139,101.07 × 42,820.66
4. Step 4: Simplify right side
   92,744.82x = 5,956,398,928.60
5. Step 5: Solve for x
   x = 5,956,398,928.60/92,744.82
6. Step 6: Final answer
   x = 64,223.52