Finding the Fourth Proportional to 109,900.80, 164,523.15 and 65,504.70

Step by Step Solution

1. Step 1: Write the proportion equation
   109,900.80 : 164,523.15 = 65,504.70 : x
2. Step 2: Convert to fraction form
   109,900.80/164,523.15 = 65,504.70/x
3. Step 3: Cross multiply
   109,900.80x = 164,523.15 × 65,504.70
4. Step 4: Simplify right side
   109,900.80x = 10,777,039,583.81
5. Step 5: Solve for x
   x = 10,777,039,583.81/109,900.80
6. Step 6: Final answer
   x = 98,061.52