Finding the Fourth Proportional to 76,131.84, 105,061.39 and 43,854.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,131.84 : 105,061.39 = 43,854.69 : x
2. Step 2: Convert to fraction form
   76,131.84/105,061.39 = 43,854.69/x
3. Step 3: Cross multiply
   76,131.84x = 105,061.39 × 43,854.69
4. Step 4: Simplify right side
   76,131.84x = 4,607,434,689.42
5. Step 5: Solve for x
   x = 4,607,434,689.42/76,131.84
6. Step 6: Final answer
   x = 60,519.16