Finding the Fourth Proportional to 59,678.88, 82,573.72 and 52,038.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,678.88 : 82,573.72 = 52,038.09 : x
2. Step 2: Convert to fraction form
   59,678.88/82,573.72 = 52,038.09/x
3. Step 3: Cross multiply
   59,678.88x = 82,573.72 × 52,038.09
4. Step 4: Simplify right side
   59,678.88x = 4,296,978,485.65
5. Step 5: Solve for x
   x = 4,296,978,485.65/59,678.88
6. Step 6: Final answer
   x = 72,001.66