Finding the Fourth Proportional to 131,139, 196,741.71 and 37,644.75

Step by Step Solution

1. Step 1: Write the proportion equation
   131,139 : 196,741.71 = 37,644.75 : x
2. Step 2: Convert to fraction form
   131,139/196,741.71 = 37,644.75/x
3. Step 3: Cross multiply
   131,139x = 196,741.71 × 37,644.75
4. Step 4: Simplify right side
   131,139x = 7,406,292,487.52
5. Step 5: Solve for x
   x = 7,406,292,487.52/131,139
6. Step 6: Final answer
   x = 56,476.66