Finding the Fourth Proportional to 76,685.84, 105,826.38 and 43,151.84

Step by Step Solution

1. Step 1: Write the proportion equation
   76,685.84 : 105,826.38 = 43,151.84 : x
2. Step 2: Convert to fraction form
   76,685.84/105,826.38 = 43,151.84/x
3. Step 3: Cross multiply
   76,685.84x = 105,826.38 × 43,151.84
4. Step 4: Simplify right side
   76,685.84x = 4,566,603,017.54
5. Step 5: Solve for x
   x = 4,566,603,017.54/76,685.84
6. Step 6: Final answer
   x = 59,549.49