Finding the Fourth Proportional to 111,812.76, 154,300.74 and 63,423.90

Step by Step Solution

1. Step 1: Write the proportion equation
   111,812.76 : 154,300.74 = 63,423.90 : x
2. Step 2: Convert to fraction form
   111,812.76/154,300.74 = 63,423.90/x
3. Step 3: Cross multiply
   111,812.76x = 154,300.74 × 63,423.90
4. Step 4: Simplify right side
   111,812.76x = 9,786,354,703.69
5. Step 5: Solve for x
   x = 9,786,354,703.69/111,812.76
6. Step 6: Final answer
   x = 87,524.49