Finding the Fourth Proportional to 145,929.72, 218,882.89 and 64,901.83

Step by Step Solution

1. Step 1: Write the proportion equation
   145,929.72 : 218,882.89 = 64,901.83 : x
2. Step 2: Convert to fraction form
   145,929.72/218,882.89 = 64,901.83/x
3. Step 3: Cross multiply
   145,929.72x = 218,882.89 × 64,901.83
4. Step 4: Simplify right side
   145,929.72x = 14,205,900,116.69
5. Step 5: Solve for x
   x = 14,205,900,116.69/145,929.72
6. Step 6: Final answer
   x = 97,347.55