Finding the Fourth Proportional to 107,564.90, 161,357.47 and 31,663.49

Step by Step Solution

1. Step 1: Write the proportion equation
   107,564.90 : 161,357.47 = 31,663.49 : x
2. Step 2: Convert to fraction form
   107,564.90/161,357.47 = 31,663.49/x
3. Step 3: Cross multiply
   107,564.90x = 161,357.47 × 31,663.49
4. Step 4: Simplify right side
   107,564.90x = 5,109,140,558.61
5. Step 5: Solve for x
   x = 5,109,140,558.61/107,564.90
6. Step 6: Final answer
   x = 47,498.21