Finding the Fourth Proportional to 101,187.86, 151,768.77 and 31,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   101,187.86 : 151,768.77 = 31,061.30 : x
2. Step 2: Convert to fraction form
   101,187.86/151,768.77 = 31,061.30/x
3. Step 3: Cross multiply
   101,187.86x = 151,768.77 × 31,061.30
4. Step 4: Simplify right side
   101,187.86x = 4,714,135,295.60
5. Step 5: Solve for x
   x = 4,714,135,295.60/101,187.86
6. Step 6: Final answer
   x = 46,587.95