Finding the Fourth Proportional to 121,548.93, 182,404.94 and 42,663.39

Step by Step Solution

1. Step 1: Write the proportion equation
   121,548.93 : 182,404.94 = 42,663.39 : x
2. Step 2: Convert to fraction form
   121,548.93/182,404.94 = 42,663.39/x
3. Step 3: Cross multiply
   121,548.93x = 182,404.94 × 42,663.39
4. Step 4: Simplify right side
   121,548.93x = 7,782,012,879.83
5. Step 5: Solve for x
   x = 7,782,012,879.83/121,548.93
6. Step 6: Final answer
   x = 64,023.71