Finding the Fourth Proportional to 52,806, 72,860.94 and 31,302.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,806 : 72,860.94 = 31,302.53 : x
2. Step 2: Convert to fraction form
   52,806/72,860.94 = 31,302.53/x
3. Step 3: Cross multiply
   52,806x = 72,860.94 × 31,302.53
4. Step 4: Simplify right side
   52,806x = 2,280,731,395.87
5. Step 5: Solve for x
   x = 2,280,731,395.87/52,806
6. Step 6: Final answer
   x = 43,190.76