Finding the Fourth Proportional to 139,086.56, 192,027.84 and 107,196.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,086.56 : 192,027.84 = 107,196.32 : x
2. Step 2: Convert to fraction form
   139,086.56/192,027.84 = 107,196.32/x
3. Step 3: Cross multiply
   139,086.56x = 192,027.84 × 107,196.32
4. Step 4: Simplify right side
   139,086.56x = 20,584,677,785.55
5. Step 5: Solve for x
   x = 20,584,677,785.55/139,086.56
6. Step 6: Final answer
   x = 147,999.04