Finding the Fourth Proportional to 58,322, 87,495.96 and 21,386

Step by Step Solution

1. Step 1: Write the proportion equation
   58,322 : 87,495.96 = 21,386 : x
2. Step 2: Convert to fraction form
   58,322/87,495.96 = 21,386/x
3. Step 3: Cross multiply
   58,322x = 87,495.96 × 21,386
4. Step 4: Simplify right side
   58,322x = 1,871,188,600.56
5. Step 5: Solve for x
   x = 1,871,188,600.56/58,322
6. Step 6: Final answer
   x = 32,083.75