Finding the Fourth Proportional to 115,208.01, 158,971.37 and 64,214.69

Step by Step Solution

1. Step 1: Write the proportion equation
   115,208.01 : 158,971.37 = 64,214.69 : x
2. Step 2: Convert to fraction form
   115,208.01/158,971.37 = 64,214.69/x
3. Step 3: Cross multiply
   115,208.01x = 158,971.37 × 64,214.69
4. Step 4: Simplify right side
   115,208.01x = 10,208,296,127.50
5. Step 5: Solve for x
   x = 10,208,296,127.50/115,208.01
6. Step 6: Final answer
   x = 88,607.52