Finding the Fourth Proportional to 139,211, 192,111.32 and 75,548.81

Step by Step Solution

1. Step 1: Write the proportion equation
   139,211 : 192,111.32 = 75,548.81 : x
2. Step 2: Convert to fraction form
   139,211/192,111.32 = 75,548.81/x
3. Step 3: Cross multiply
   139,211x = 192,111.32 × 75,548.81
4. Step 4: Simplify right side
   139,211x = 14,513,781,613.53
5. Step 5: Solve for x
   x = 14,513,781,613.53/139,211
6. Step 6: Final answer
   x = 104,257.43