Finding the Fourth Proportional to 111,766.41, 154,239.53 and 64,023.93

Step by Step Solution

1. Step 1: Write the proportion equation
   111,766.41 : 154,239.53 = 64,023.93 : x
2. Step 2: Convert to fraction form
   111,766.41/154,239.53 = 64,023.93/x
3. Step 3: Cross multiply
   111,766.41x = 154,239.53 × 64,023.93
4. Step 4: Simplify right side
   111,766.41x = 9,875,020,551.83
5. Step 5: Solve for x
   x = 9,875,020,551.83/111,766.41
6. Step 6: Final answer
   x = 88,354.10