Finding the Fourth Proportional to 101,347.83, 152,046.52 and 71,420.45

Step by Step Solution

1. Step 1: Write the proportion equation
   101,347.83 : 152,046.52 = 71,420.45 : x
2. Step 2: Convert to fraction form
   101,347.83/152,046.52 = 71,420.45/x
3. Step 3: Cross multiply
   101,347.83x = 152,046.52 × 71,420.45
4. Step 4: Simplify right side
   101,347.83x = 10,859,230,879.33
5. Step 5: Solve for x
   x = 10,859,230,879.33/101,347.83
6. Step 6: Final answer
   x = 107,148.13