Finding the Fourth Proportional to 52,783.92, 72,840.06 and 31,552.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,783.92 : 72,840.06 = 31,552.20 : x
2. Step 2: Convert to fraction form
   52,783.92/72,840.06 = 31,552.20/x
3. Step 3: Cross multiply
   52,783.92x = 72,840.06 × 31,552.20
4. Step 4: Simplify right side
   52,783.92x = 2,298,264,141.13
5. Step 5: Solve for x
   x = 2,298,264,141.13/52,783.92
6. Step 6: Final answer
   x = 43,540.99