Finding the Fourth Proportional to 51,285.63, 76,675.56 and 43,475.31

Step by Step Solution

1. Step 1: Write the proportion equation
   51,285.63 : 76,675.56 = 43,475.31 : x
2. Step 2: Convert to fraction form
   51,285.63/76,675.56 = 43,475.31/x
3. Step 3: Cross multiply
   51,285.63x = 76,675.56 × 43,475.31
4. Step 4: Simplify right side
   51,285.63x = 3,333,493,740.42
5. Step 5: Solve for x
   x = 3,333,493,740.42/51,285.63
6. Step 6: Final answer
   x = 64,998.59