Finding the Fourth Proportional to 52,809, 72,865.08 and 31,305.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,809 : 72,865.08 = 31,305.53 : x
2. Step 2: Convert to fraction form
   52,809/72,865.08 = 31,305.53/x
3. Step 3: Cross multiply
   52,809x = 72,865.08 × 31,305.53
4. Step 4: Simplify right side
   52,809x = 2,281,079,947.89
5. Step 5: Solve for x
   x = 2,281,079,947.89/52,809
6. Step 6: Final answer
   x = 43,194.91