Finding the Fourth Proportional to 101,559.89, 152,240.39 and 42,412.47

Step by Step Solution

1. Step 1: Write the proportion equation
   101,559.89 : 152,240.39 = 42,412.47 : x
2. Step 2: Convert to fraction form
   101,559.89/152,240.39 = 42,412.47/x
3. Step 3: Cross multiply
   101,559.89x = 152,240.39 × 42,412.47
4. Step 4: Simplify right side
   101,559.89x = 6,456,890,761.60
5. Step 5: Solve for x
   x = 6,456,890,761.60/101,559.89
6. Step 6: Final answer
   x = 63,577.18