Finding the Fourth Proportional to 77,689, 107,214.03 and 43,699.08

Step by Step Solution

1. Step 1: Write the proportion equation
   77,689 : 107,214.03 = 43,699.08 : x
2. Step 2: Convert to fraction form
   77,689/107,214.03 = 43,699.08/x
3. Step 3: Cross multiply
   77,689x = 107,214.03 × 43,699.08
4. Step 4: Simplify right side
   77,689x = 4,685,154,474.09
5. Step 5: Solve for x
   x = 4,685,154,474.09/77,689
6. Step 6: Final answer
   x = 60,306.54