Finding the Fourth Proportional to 110,426.50, 152,389.28 and 62,680.64

Step by Step Solution

1. Step 1: Write the proportion equation
   110,426.50 : 152,389.28 = 62,680.64 : x
2. Step 2: Convert to fraction form
   110,426.50/152,389.28 = 62,680.64/x
3. Step 3: Cross multiply
   110,426.50x = 152,389.28 × 62,680.64
4. Step 4: Simplify right side
   110,426.50x = 9,551,857,667.11
5. Step 5: Solve for x
   x = 9,551,857,667.11/110,426.50
6. Step 6: Final answer
   x = 86,499.69