Finding the Fourth Proportional to 77,310.86, 106,682.27 and 43,314.89

Step by Step Solution

1. Step 1: Write the proportion equation
   77,310.86 : 106,682.27 = 43,314.89 : x
2. Step 2: Convert to fraction form
   77,310.86/106,682.27 = 43,314.89/x
3. Step 3: Cross multiply
   77,310.86x = 106,682.27 × 43,314.89
4. Step 4: Simplify right side
   77,310.86x = 4,620,930,040.01
5. Step 5: Solve for x
   x = 4,620,930,040.01/77,310.86
6. Step 6: Final answer
   x = 59,770.78