Finding the Fourth Proportional to 53,865, 74,339.46 and 31,527.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,865 : 74,339.46 = 31,527.72 : x
2. Step 2: Convert to fraction form
   53,865/74,339.46 = 31,527.72/x
3. Step 3: Cross multiply
   53,865x = 74,339.46 × 31,527.72
4. Step 4: Simplify right side
   53,865x = 2,343,753,679.83
5. Step 5: Solve for x
   x = 2,343,753,679.83/53,865
6. Step 6: Final answer
   x = 43,511.62