Finding the Fourth Proportional to 215,774.84, 323,661.81 and 58,003.31

Step by Step Solution

1. Step 1: Write the proportion equation
   215,774.84 : 323,661.81 = 58,003.31 : x
2. Step 2: Convert to fraction form
   215,774.84/323,661.81 = 58,003.31/x
3. Step 3: Cross multiply
   215,774.84x = 323,661.81 × 58,003.31
4. Step 4: Simplify right side
   215,774.84x = 18,773,456,300.59
5. Step 5: Solve for x
   x = 18,773,456,300.59/215,774.84
6. Step 6: Final answer
   x = 87,004.84