Finding the Fourth Proportional to 52,664.39, 72,677.72 and 31,445.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,664.39 : 72,677.72 = 31,445.51 : x
2. Step 2: Convert to fraction form
   52,664.39/72,677.72 = 31,445.51/x
3. Step 3: Cross multiply
   52,664.39x = 72,677.72 × 31,445.51
4. Step 4: Simplify right side
   52,664.39x = 2,285,387,789.34
5. Step 5: Solve for x
   x = 2,285,387,789.34/52,664.39
6. Step 6: Final answer
   x = 43,395.32