Finding the Fourth Proportional to 76,600.71, 105,708.72 and 43,066.71

Step by Step Solution

1. Step 1: Write the proportion equation
   76,600.71 : 105,708.72 = 43,066.71 : x
2. Step 2: Convert to fraction form
   76,600.71/105,708.72 = 43,066.71/x
3. Step 3: Cross multiply
   76,600.71x = 105,708.72 × 43,066.71
4. Step 4: Simplify right side
   76,600.71x = 4,552,526,573.38
5. Step 5: Solve for x
   x = 4,552,526,573.38/76,600.71
6. Step 6: Final answer
   x = 59,431.91