Finding the Fourth Proportional to 139,733.54, 192,832.23 and 76,071.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,733.54 : 192,832.23 = 76,071.32 : x
2. Step 2: Convert to fraction form
   139,733.54/192,832.23 = 76,071.32/x
3. Step 3: Cross multiply
   139,733.54x = 192,832.23 × 76,071.32
4. Step 4: Simplify right side
   139,733.54x = 14,669,002,274.64
5. Step 5: Solve for x
   x = 14,669,002,274.64/139,733.54
6. Step 6: Final answer
   x = 104,978.39