Finding the Fourth Proportional to 216,062.82, 324,100.20 and 58,290.82

Step by Step Solution

1. Step 1: Write the proportion equation
   216,062.82 : 324,100.20 = 58,290.82 : x
2. Step 2: Convert to fraction form
   216,062.82/324,100.20 = 58,290.82/x
3. Step 3: Cross multiply
   216,062.82x = 324,100.20 × 58,290.82
4. Step 4: Simplify right side
   216,062.82x = 18,892,066,420.16
5. Step 5: Solve for x
   x = 18,892,066,420.16/216,062.82
6. Step 6: Final answer
   x = 87,437.84