Finding the Fourth Proportional to 139,465.02, 192,463.69 and 75,802.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,465.02 : 192,463.69 = 75,802.82 : x
2. Step 2: Convert to fraction form
   139,465.02/192,463.69 = 75,802.82/x
3. Step 3: Cross multiply
   139,465.02x = 192,463.69 × 75,802.82
4. Step 4: Simplify right side
   139,465.02x = 14,589,290,449.61
5. Step 5: Solve for x
   x = 14,589,290,449.61/139,465.02
6. Step 6: Final answer
   x = 104,608.96