Finding the Fourth Proportional to 76,200.18, 105,146.29 and 43,936.02

Step by Step Solution

1. Step 1: Write the proportion equation
   76,200.18 : 105,146.29 = 43,936.02 : x
2. Step 2: Convert to fraction form
   76,200.18/105,146.29 = 43,936.02/x
3. Step 3: Cross multiply
   76,200.18x = 105,146.29 × 43,936.02
4. Step 4: Simplify right side
   76,200.18x = 4,619,709,500.37
5. Step 5: Solve for x
   x = 4,619,709,500.37/76,200.18
6. Step 6: Final answer
   x = 60,625.97