Finding the Fourth Proportional to 131,189.86, 181,009.89 and 73,818

Step by Step Solution

1. Step 1: Write the proportion equation
   131,189.86 : 181,009.89 = 73,818 : x
2. Step 2: Convert to fraction form
   131,189.86/181,009.89 = 73,818/x
3. Step 3: Cross multiply
   131,189.86x = 181,009.89 × 73,818
4. Step 4: Simplify right side
   131,189.86x = 13,361,788,060.02
5. Step 5: Solve for x
   x = 13,361,788,060.02/131,189.86
6. Step 6: Final answer
   x = 101,850.77