Finding the Fourth Proportional to 110,508.84, 152,498.16 and 65,188.80

Step by Step Solution

1. Step 1: Write the proportion equation
   110,508.84 : 152,498.16 = 65,188.80 : x
2. Step 2: Convert to fraction form
   110,508.84/152,498.16 = 65,188.80/x
3. Step 3: Cross multiply
   110,508.84x = 152,498.16 × 65,188.80
4. Step 4: Simplify right side
   110,508.84x = 9,941,172,052.61
5. Step 5: Solve for x
   x = 9,941,172,052.61/110,508.84
6. Step 6: Final answer
   x = 89,958.16