Finding the Fourth Proportional to 77,274.89, 106,641.99 and 43,284.83

Step by Step Solution

1. Step 1: Write the proportion equation
   77,274.89 : 106,641.99 = 43,284.83 : x
2. Step 2: Convert to fraction form
   77,274.89/106,641.99 = 43,284.83/x
3. Step 3: Cross multiply
   77,274.89x = 106,641.99 × 43,284.83
4. Step 4: Simplify right side
   77,274.89x = 4,615,980,408.01
5. Step 5: Solve for x
   x = 4,615,980,408.01/77,274.89
6. Step 6: Final answer
   x = 59,734.55