Finding the Fourth Proportional to 111,773.15, 154,234.01 and 64,023.65

Step by Step Solution

1. Step 1: Write the proportion equation
   111,773.15 : 154,234.01 = 64,023.65 : x
2. Step 2: Convert to fraction form
   111,773.15/154,234.01 = 64,023.65/x
3. Step 3: Cross multiply
   111,773.15x = 154,234.01 × 64,023.65
4. Step 4: Simplify right side
   111,773.15x = 9,874,624,274.34
5. Step 5: Solve for x
   x = 9,874,624,274.34/111,773.15
6. Step 6: Final answer
   x = 88,345.23