Finding the Fourth Proportional to 52,436.42, 72,333.83 and 31,211.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,436.42 : 72,333.83 = 31,211.58 : x
2. Step 2: Convert to fraction form
   52,436.42/72,333.83 = 31,211.58/x
3. Step 3: Cross multiply
   52,436.42x = 72,333.83 × 31,211.58
4. Step 4: Simplify right side
   52,436.42x = 2,257,653,295.47
5. Step 5: Solve for x
   x = 2,257,653,295.47/52,436.42
6. Step 6: Final answer
   x = 43,055.06