Finding the Fourth Proportional to 139,492.86, 192,542.31 and 94,806.78

Step by Step Solution

1. Step 1: Write the proportion equation
   139,492.86 : 192,542.31 = 94,806.78 : x
2. Step 2: Convert to fraction form
   139,492.86/192,542.31 = 94,806.78/x
3. Step 3: Cross multiply
   139,492.86x = 192,542.31 × 94,806.78
4. Step 4: Simplify right side
   139,492.86x = 18,254,316,424.86
5. Step 5: Solve for x
   x = 18,254,316,424.86/139,492.86
6. Step 6: Final answer
   x = 130,862.01