Finding the Fourth Proportional to 102,279.23, 141,116.82 and 65,965.31

Step by Step Solution

1. Step 1: Write the proportion equation
   102,279.23 : 141,116.82 = 65,965.31 : x
2. Step 2: Convert to fraction form
   102,279.23/141,116.82 = 65,965.31/x
3. Step 3: Cross multiply
   102,279.23x = 141,116.82 × 65,965.31
4. Step 4: Simplify right side
   102,279.23x = 9,308,814,777.51
5. Step 5: Solve for x
   x = 9,308,814,777.51/102,279.23
6. Step 6: Final answer
   x = 91,013.74