Finding the Fourth Proportional to 52,196.96, 78,194.68 and 31,153.80

Step by Step Solution

1. Step 1: Write the proportion equation
   52,196.96 : 78,194.68 = 31,153.80 : x
2. Step 2: Convert to fraction form
   52,196.96/78,194.68 = 31,153.80/x
3. Step 3: Cross multiply
   52,196.96x = 78,194.68 × 31,153.80
4. Step 4: Simplify right side
   52,196.96x = 2,436,061,421.78
5. Step 5: Solve for x
   x = 2,436,061,421.78/52,196.96
6. Step 6: Final answer
   x = 46,670.56