Finding the Fourth Proportional to 83,725.48, 115,538.50 and 47,914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,725.48 : 115,538.50 = 47,914.72 : x
2. Step 2: Convert to fraction form
   83,725.48/115,538.50 = 47,914.72/x
3. Step 3: Cross multiply
   83,725.48x = 115,538.50 × 47,914.72
4. Step 4: Simplify right side
   83,725.48x = 5,535,994,892.54
5. Step 5: Solve for x
   x = 5,535,994,892.54/83,725.48
6. Step 6: Final answer
   x = 66,120.79