Finding the Fourth Proportional to 37,697.67, 56,499.77 and 21,069.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,697.67 : 56,499.77 = 21,069.38 : x
2. Step 2: Convert to fraction form
   37,697.67/56,499.77 = 21,069.38/x
3. Step 3: Cross multiply
   37,697.67x = 56,499.77 × 21,069.38
4. Step 4: Simplify right side
   37,697.67x = 1,190,414,736.20
5. Step 5: Solve for x
   x = 1,190,414,736.20/37,697.67
6. Step 6: Final answer
   x = 31,577.94