Finding the Fourth Proportional to 115,492.67, 159,369.52 and 64,498.33

Step by Step Solution

1. Step 1: Write the proportion equation
   115,492.67 : 159,369.52 = 64,498.33 : x
2. Step 2: Convert to fraction form
   115,492.67/159,369.52 = 64,498.33/x
3. Step 3: Cross multiply
   115,492.67x = 159,369.52 × 64,498.33
4. Step 4: Simplify right side
   115,492.67x = 10,279,067,333.23
5. Step 5: Solve for x
   x = 10,279,067,333.23/115,492.67
6. Step 6: Final answer
   x = 89,001.90