Finding the Fourth Proportional to 77,055.72, 106,321.86 and 43,515.24

Step by Step Solution

1. Step 1: Write the proportion equation
   77,055.72 : 106,321.86 = 43,515.24 : x
2. Step 2: Convert to fraction form
   77,055.72/106,321.86 = 43,515.24/x
3. Step 3: Cross multiply
   77,055.72x = 106,321.86 × 43,515.24
4. Step 4: Simplify right side
   77,055.72x = 4,626,621,255.15
5. Step 5: Solve for x
   x = 4,626,621,255.15/77,055.72
6. Step 6: Final answer
   x = 60,042.54