Finding the Fourth Proportional to 76,606.43, 105,704.01 and 42,610.43

Step by Step Solution

1. Step 1: Write the proportion equation
   76,606.43 : 105,704.01 = 42,610.43 : x
2. Step 2: Convert to fraction form
   76,606.43/105,704.01 = 42,610.43/x
3. Step 3: Cross multiply
   76,606.43x = 105,704.01 × 42,610.43
4. Step 4: Simplify right side
   76,606.43x = 4,504,093,318.82
5. Step 5: Solve for x
   x = 4,504,093,318.82/76,606.43
6. Step 6: Final answer
   x = 58,795.24