Finding the Fourth Proportional to 52,196.14, 78,291.42 and 18,459.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,196.14 : 78,291.42 = 18,459.82 : x
2. Step 2: Convert to fraction form
   52,196.14/78,291.42 = 18,459.82/x
3. Step 3: Cross multiply
   52,196.14x = 78,291.42 × 18,459.82
4. Step 4: Simplify right side
   52,196.14x = 1,445,245,520.74
5. Step 5: Solve for x
   x = 1,445,245,520.74/52,196.14
6. Step 6: Final answer
   x = 27,688.74