Finding the Fourth Proportional to 76,736.94, 105,901.84 and 43,205.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,736.94 : 105,901.84 = 43,205.10 : x
2. Step 2: Convert to fraction form
   76,736.94/105,901.84 = 43,205.10/x
3. Step 3: Cross multiply
   76,736.94x = 105,901.84 × 43,205.10
4. Step 4: Simplify right side
   76,736.94x = 4,575,499,587.38
5. Step 5: Solve for x
   x = 4,575,499,587.38/76,736.94
6. Step 6: Final answer
   x = 59,625.78