Finding the Fourth Proportional to 168,018.42, 252,076.86 and 49,692.90

Step by Step Solution

1. Step 1: Write the proportion equation
   168,018.42 : 252,076.86 = 49,692.90 : x
2. Step 2: Convert to fraction form
   168,018.42/252,076.86 = 49,692.90/x
3. Step 3: Cross multiply
   168,018.42x = 252,076.86 × 49,692.90
4. Step 4: Simplify right side
   168,018.42x = 12,526,430,196.29
5. Step 5: Solve for x
   x = 12,526,430,196.29/168,018.42
6. Step 6: Final answer
   x = 74,553.91