Finding the Fourth Proportional to 102,279.98, 141,117.86 and 65,966.06

Step by Step Solution

1. Step 1: Write the proportion equation
   102,279.98 : 141,117.86 = 65,966.06 : x
2. Step 2: Convert to fraction form
   102,279.98/141,117.86 = 65,966.06/x
3. Step 3: Cross multiply
   102,279.98x = 141,117.86 × 65,966.06
4. Step 4: Simplify right side
   102,279.98x = 9,308,988,890.00
5. Step 5: Solve for x
   x = 9,308,988,890.00/102,279.98
6. Step 6: Final answer
   x = 91,014.77