Finding the Fourth Proportional to 77,275.89, 106,643.37 and 43,285.83

Step by Step Solution

1. Step 1: Write the proportion equation
   77,275.89 : 106,643.37 = 43,285.83 : x
2. Step 2: Convert to fraction form
   77,275.89/106,643.37 = 43,285.83/x
3. Step 3: Cross multiply
   77,275.89x = 106,643.37 × 43,285.83
4. Step 4: Simplify right side
   77,275.89x = 4,616,146,784.45
5. Step 5: Solve for x
   x = 4,616,146,784.45/77,275.89
6. Step 6: Final answer
   x = 59,735.93