Finding the Fourth Proportional to 52,294.84, 72,167.34 and 28,421.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,294.84 : 72,167.34 = 28,421.53 : x
2. Step 2: Convert to fraction form
   52,294.84/72,167.34 = 28,421.53/x
3. Step 3: Cross multiply
   52,294.84x = 72,167.34 × 28,421.53
4. Step 4: Simplify right side
   52,294.84x = 2,051,106,218.83
5. Step 5: Solve for x
   x = 2,051,106,218.83/52,294.84
6. Step 6: Final answer
   x = 39,221.96