Finding the Fourth Proportional to 137,808.43, 190,196.27 and 84,124.56

Step by Step Solution

1. Step 1: Write the proportion equation
   137,808.43 : 190,196.27 = 84,124.56 : x
2. Step 2: Convert to fraction form
   137,808.43/190,196.27 = 84,124.56/x
3. Step 3: Cross multiply
   137,808.43x = 190,196.27 × 84,124.56
4. Step 4: Simplify right side
   137,808.43x = 16,000,177,527.39
5. Step 5: Solve for x
   x = 16,000,177,527.39/137,808.43
6. Step 6: Final answer
   x = 116,104.49