Finding the Fourth Proportional to 58,736.50, 81,123.66 and 38,683

Step by Step Solution

1. Step 1: Write the proportion equation
   58,736.50 : 81,123.66 = 38,683 : x
2. Step 2: Convert to fraction form
   58,736.50/81,123.66 = 38,683/x
3. Step 3: Cross multiply
   58,736.50x = 81,123.66 × 38,683
4. Step 4: Simplify right side
   58,736.50x = 3,138,106,539.78
5. Step 5: Solve for x
   x = 3,138,106,539.78/58,736.50
6. Step 6: Final answer
   x = 53,426.86