Finding the Fourth Proportional to 139,372.48, 192,392.90 and 94,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,372.48 : 192,392.90 = 94,111.76 : x
2. Step 2: Convert to fraction form
   139,372.48/192,392.90 = 94,111.76/x
3. Step 3: Cross multiply
   139,372.48x = 192,392.90 × 94,111.76
4. Step 4: Simplify right side
   139,372.48x = 18,106,434,430.50
5. Step 5: Solve for x
   x = 18,106,434,430.50/139,372.48
6. Step 6: Final answer
   x = 129,913.99