Finding the Fourth Proportional to 92,826.32, 139,120.32 and 42,188.36

Step by Step Solution

1. Step 1: Write the proportion equation
   92,826.32 : 139,120.32 = 42,188.36 : x
2. Step 2: Convert to fraction form
   92,826.32/139,120.32 = 42,188.36/x
3. Step 3: Cross multiply
   92,826.32x = 139,120.32 × 42,188.36
4. Step 4: Simplify right side
   92,826.32x = 5,869,258,143.48
5. Step 5: Solve for x
   x = 5,869,258,143.48/92,826.32
6. Step 6: Final answer
   x = 63,228.38