Finding the Fourth Proportional to 101,556.89, 152,235.89 and 42,409.47

Step by Step Solution

1. Step 1: Write the proportion equation
   101,556.89 : 152,235.89 = 42,409.47 : x
2. Step 2: Convert to fraction form
   101,556.89/152,235.89 = 42,409.47/x
3. Step 3: Cross multiply
   101,556.89x = 152,235.89 × 42,409.47
4. Step 4: Simplify right side
   101,556.89x = 6,456,243,197.83
5. Step 5: Solve for x
   x = 6,456,243,197.83/101,556.89
6. Step 6: Final answer
   x = 63,572.68