Finding the Fourth Proportional to 131,181, 196,804.72 and 37,686.76

Step by Step Solution

1. Step 1: Write the proportion equation
   131,181 : 196,804.72 = 37,686.76 : x
2. Step 2: Convert to fraction form
   131,181/196,804.72 = 37,686.76/x
3. Step 3: Cross multiply
   131,181x = 196,804.72 × 37,686.76
4. Step 4: Simplify right side
   131,181x = 7,416,932,249.51
5. Step 5: Solve for x
   x = 7,416,932,249.51/131,181
6. Step 6: Final answer
   x = 56,539.68