Finding the Fourth Proportional to 53,796.37, 74,248.01 and 31,131.46

Step by Step Solution

1. Step 1: Write the proportion equation
   53,796.37 : 74,248.01 = 31,131.46 : x
2. Step 2: Convert to fraction form
   53,796.37/74,248.01 = 31,131.46/x
3. Step 3: Cross multiply
   53,796.37x = 74,248.01 × 31,131.46
4. Step 4: Simplify right side
   53,796.37x = 2,311,448,953.39
5. Step 5: Solve for x
   x = 2,311,448,953.39/53,796.37
6. Step 6: Final answer
   x = 42,966.63