Finding the Fourth Proportional to 58,940.94, 81,411.53 and 42,782.43

Step by Step Solution

1. Step 1: Write the proportion equation
   58,940.94 : 81,411.53 = 42,782.43 : x
2. Step 2: Convert to fraction form
   58,940.94/81,411.53 = 42,782.43/x
3. Step 3: Cross multiply
   58,940.94x = 81,411.53 × 42,782.43
4. Step 4: Simplify right side
   58,940.94x = 3,482,982,957.51
5. Step 5: Solve for x
   x = 3,482,982,957.51/58,940.94
6. Step 6: Final answer
   x = 59,092.76