Finding the Fourth Proportional to 110,253.48, 152,161.10 and 64,945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,253.48 : 152,161.10 = 64,945.72 : x
2. Step 2: Convert to fraction form
   110,253.48/152,161.10 = 64,945.72/x
3. Step 3: Cross multiply
   110,253.48x = 152,161.10 × 64,945.72
4. Step 4: Simplify right side
   110,253.48x = 9,882,211,870.76
5. Step 5: Solve for x
   x = 9,882,211,870.76/110,253.48
6. Step 6: Final answer
   x = 89,631.75