Finding the Fourth Proportional to 76,598.43, 105,703.30 and 42,605.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,598.43 : 105,703.30 = 42,605.96 : x
2. Step 2: Convert to fraction form
   76,598.43/105,703.30 = 42,605.96/x
3. Step 3: Cross multiply
   76,598.43x = 105,703.30 × 42,605.96
4. Step 4: Simplify right side
   76,598.43x = 4,503,590,571.67
5. Step 5: Solve for x
   x = 4,503,590,571.67/76,598.43
6. Step 6: Final answer
   x = 58,794.82