Finding the Fourth Proportional to 92,744.32, 139,100.32 and 42,820.16

Step by Step Solution

1. Step 1: Write the proportion equation
   92,744.32 : 139,100.32 = 42,820.16 : x
2. Step 2: Convert to fraction form
   92,744.32/139,100.32 = 42,820.16/x
3. Step 3: Cross multiply
   92,744.32x = 139,100.32 × 42,820.16
4. Step 4: Simplify right side
   92,744.32x = 5,956,297,370.00
5. Step 5: Solve for x
   x = 5,956,297,370.00/92,744.32
6. Step 6: Final answer
   x = 64,222.78