Finding the Fourth Proportional to 137,411.71, 189,633.59 and 76,982.84

Step by Step Solution

1. Step 1: Write the proportion equation
   137,411.71 : 189,633.59 = 76,982.84 : x
2. Step 2: Convert to fraction form
   137,411.71/189,633.59 = 76,982.84/x
3. Step 3: Cross multiply
   137,411.71x = 189,633.59 × 76,982.84
4. Step 4: Simplify right side
   137,411.71x = 14,598,531,984.33
5. Step 5: Solve for x
   x = 14,598,531,984.33/137,411.71
6. Step 6: Final answer
   x = 106,239.36