Finding the Fourth Proportional to 109,346.72, 164,071.92 and 65,060.96

Step by Step Solution

1. Step 1: Write the proportion equation
   109,346.72 : 164,071.92 = 65,060.96 : x
2. Step 2: Convert to fraction form
   109,346.72/164,071.92 = 65,060.96/x
3. Step 3: Cross multiply
   109,346.72x = 164,071.92 × 65,060.96
4. Step 4: Simplify right side
   109,346.72x = 10,674,676,624.24
5. Step 5: Solve for x
   x = 10,674,676,624.24/109,346.72
6. Step 6: Final answer
   x = 97,622.28