Finding the Fourth Proportional to 101,060.65, 139,384.96 and 65,259.46

Step by Step Solution

1. Step 1: Write the proportion equation
   101,060.65 : 139,384.96 = 65,259.46 : x
2. Step 2: Convert to fraction form
   101,060.65/139,384.96 = 65,259.46/x
3. Step 3: Cross multiply
   101,060.65x = 139,384.96 × 65,259.46
4. Step 4: Simplify right side
   101,060.65x = 9,096,187,221.72
5. Step 5: Solve for x
   x = 9,096,187,221.72/101,060.65
6. Step 6: Final answer
   x = 90,007.21