Finding the Fourth Proportional to 76,677, 105,823.98 and 43,149.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,677 : 105,823.98 = 43,149.48 : x
2. Step 2: Convert to fraction form
   76,677/105,823.98 = 43,149.48/x
3. Step 3: Cross multiply
   76,677x = 105,823.98 × 43,149.48
4. Step 4: Simplify right side
   76,677x = 4,566,249,708.53
5. Step 5: Solve for x
   x = 4,566,249,708.53/76,677
6. Step 6: Final answer
   x = 59,551.75