Finding the Fourth Proportional to 110,436.21, 152,350.67 and 65,083.30

Step by Step Solution

1. Step 1: Write the proportion equation
   110,436.21 : 152,350.67 = 65,083.30 : x
2. Step 2: Convert to fraction form
   110,436.21/152,350.67 = 65,083.30/x
3. Step 3: Cross multiply
   110,436.21x = 152,350.67 × 65,083.30
4. Step 4: Simplify right side
   110,436.21x = 9,915,484,142.64
5. Step 5: Solve for x
   x = 9,915,484,142.64/110,436.21
6. Step 6: Final answer
   x = 89,784.72