Finding the Fourth Proportional to 58,411.51, 87,775.56 and 31,777.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,411.51 : 87,775.56 = 31,777.18 : x
2. Step 2: Convert to fraction form
   58,411.51/87,775.56 = 31,777.18/x
3. Step 3: Cross multiply
   58,411.51x = 87,775.56 × 31,777.18
4. Step 4: Simplify right side
   58,411.51x = 2,789,259,550.28
5. Step 5: Solve for x
   x = 2,789,259,550.28/58,411.51
6. Step 6: Final answer
   x = 47,751.88