Finding the Fourth Proportional to 110,144, 152,011.68 and 65,432

Step by Step Solution

1. Step 1: Write the proportion equation
   110,144 : 152,011.68 = 65,432 : x
2. Step 2: Convert to fraction form
   110,144/152,011.68 = 65,432/x
3. Step 3: Cross multiply
   110,144x = 152,011.68 × 65,432
4. Step 4: Simplify right side
   110,144x = 9,946,428,245.76
5. Step 5: Solve for x
   x = 9,946,428,245.76/110,144
6. Step 6: Final answer
   x = 90,303.86