Finding the Fourth Proportional to 53,300.88, 80,001.56 and 39,217.98

Step by Step Solution

1. Step 1: Write the proportion equation
   53,300.88 : 80,001.56 = 39,217.98 : x
2. Step 2: Convert to fraction form
   53,300.88/80,001.56 = 39,217.98/x
3. Step 3: Cross multiply
   53,300.88x = 80,001.56 × 39,217.98
4. Step 4: Simplify right side
   53,300.88x = 3,137,499,580.05
5. Step 5: Solve for x
   x = 3,137,499,580.05/53,300.88
6. Step 6: Final answer
   x = 58,863.94