Finding the Fourth Proportional to 109,508.83, 151,154.50 and 64,196.62

Step by Step Solution

1. Step 1: Write the proportion equation
   109,508.83 : 151,154.50 = 64,196.62 : x
2. Step 2: Convert to fraction form
   109,508.83/151,154.50 = 64,196.62/x
3. Step 3: Cross multiply
   109,508.83x = 151,154.50 × 64,196.62
4. Step 4: Simplify right side
   109,508.83x = 9,703,607,242.02
5. Step 5: Solve for x
   x = 9,703,607,242.02/109,508.83
6. Step 6: Final answer
   x = 88,610.28