Finding the Fourth Proportional to 61,326.21, 84,663.68 and 37,131.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,326.21 : 84,663.68 = 37,131.31 : x
2. Step 2: Convert to fraction form
   61,326.21/84,663.68 = 37,131.31/x
3. Step 3: Cross multiply
   61,326.21x = 84,663.68 × 37,131.31
4. Step 4: Simplify right side
   61,326.21x = 3,143,673,347.82
5. Step 5: Solve for x
   x = 3,143,673,347.82/61,326.21
6. Step 6: Final answer
   x = 51,261.50