Finding the Fourth Proportional to 58,719.33, 81,092.75 and 54,957.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,719.33 : 81,092.75 = 54,957.69 : x
2. Step 2: Convert to fraction form
   58,719.33/81,092.75 = 54,957.69/x
3. Step 3: Cross multiply
   58,719.33x = 81,092.75 × 54,957.69
4. Step 4: Simplify right side
   58,719.33x = 4,456,669,940.96
5. Step 5: Solve for x
   x = 4,456,669,940.96/58,719.33
6. Step 6: Final answer
   x = 75,897.83