Finding the Fourth Proportional to 52,196.47, 78,193.93 and 31,153.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,196.47 : 78,193.93 = 31,153.31 : x
2. Step 2: Convert to fraction form
   52,196.47/78,193.93 = 31,153.31/x
3. Step 3: Cross multiply
   52,196.47x = 78,193.93 × 31,153.31
4. Step 4: Simplify right side
   52,196.47x = 2,435,999,741.41
5. Step 5: Solve for x
   x = 2,435,999,741.41/52,196.47
6. Step 6: Final answer
   x = 46,669.82