Finding the Fourth Proportional to 120,548.16, 180,801.72 and 31,802.52

Step by Step Solution

1. Step 1: Write the proportion equation
   120,548.16 : 180,801.72 = 31,802.52 : x
2. Step 2: Convert to fraction form
   120,548.16/180,801.72 = 31,802.52/x
3. Step 3: Cross multiply
   120,548.16x = 180,801.72 × 31,802.52
4. Step 4: Simplify right side
   120,548.16x = 5,749,950,316.33
5. Step 5: Solve for x
   x = 5,749,950,316.33/120,548.16
6. Step 6: Final answer
   x = 47,698.37