Finding the Fourth Proportional to 115,809, 159,816.42 and 62,817

Step by Step Solution

1. Step 1: Write the proportion equation
   115,809 : 159,816.42 = 62,817 : x
2. Step 2: Convert to fraction form
   115,809/159,816.42 = 62,817/x
3. Step 3: Cross multiply
   115,809x = 159,816.42 × 62,817
4. Step 4: Simplify right side
   115,809x = 10,039,188,055.14
5. Step 5: Solve for x
   x = 10,039,188,055.14/115,809
6. Step 6: Final answer
   x = 86,687.46