Finding the Fourth Proportional to 58,552.48, 80,796.56 and 39,696.80

Step by Step Solution

1. Step 1: Write the proportion equation
   58,552.48 : 80,796.56 = 39,696.80 : x
2. Step 2: Convert to fraction form
   58,552.48/80,796.56 = 39,696.80/x
3. Step 3: Cross multiply
   58,552.48x = 80,796.56 × 39,696.80
4. Step 4: Simplify right side
   58,552.48x = 3,207,364,883.01
5. Step 5: Solve for x
   x = 3,207,364,883.01/58,552.48
6. Step 6: Final answer
   x = 54,777.61