Finding the Fourth Proportional to 52,381.47, 78,570.49 and 16,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,381.47 : 78,570.49 = 16,842.72 : x
2. Step 2: Convert to fraction form
   52,381.47/78,570.49 = 16,842.72/x
3. Step 3: Cross multiply
   52,381.47x = 78,570.49 × 16,842.72
4. Step 4: Simplify right side
   52,381.47x = 1,323,340,763.33
5. Step 5: Solve for x
   x = 1,323,340,763.33/52,381.47
6. Step 6: Final answer
   x = 25,263.53