Finding the Fourth Proportional to 115,089.33, 158,817 and 63,396.30

Step by Step Solution

1. Step 1: Write the proportion equation
   115,089.33 : 158,817 = 63,396.30 : x
2. Step 2: Convert to fraction form
   115,089.33/158,817 = 63,396.30/x
3. Step 3: Cross multiply
   115,089.33x = 158,817 × 63,396.30
4. Step 4: Simplify right side
   115,089.33x = 10,068,410,177.10
5. Step 5: Solve for x
   x = 10,068,410,177.10/115,089.33
6. Step 6: Final answer
   x = 87,483.44