Finding the Fourth Proportional to 77,291.72, 106,662.42 and 43,760.84

Step by Step Solution

1. Step 1: Write the proportion equation
   77,291.72 : 106,662.42 = 43,760.84 : x
2. Step 2: Convert to fraction form
   77,291.72/106,662.42 = 43,760.84/x
3. Step 3: Cross multiply
   77,291.72x = 106,662.42 × 43,760.84
4. Step 4: Simplify right side
   77,291.72x = 4,667,637,095.63
5. Step 5: Solve for x
   x = 4,667,637,095.63/77,291.72
6. Step 6: Final answer
   x = 60,389.87