Finding the Fourth Proportional to 119,173.39, 164,460.47 and 64,726.62

Step by Step Solution

1. Step 1: Write the proportion equation
   119,173.39 : 164,460.47 = 64,726.62 : x
2. Step 2: Convert to fraction form
   119,173.39/164,460.47 = 64,726.62/x
3. Step 3: Cross multiply
   119,173.39x = 164,460.47 × 64,726.62
4. Step 4: Simplify right side
   119,173.39x = 10,644,969,406.35
5. Step 5: Solve for x
   x = 10,644,969,406.35/119,173.39
6. Step 6: Final answer
   x = 89,323.38