Finding the Fourth Proportional to 71,576.42, 107,322.69 and 47,910.92

Step by Step Solution

1. Step 1: Write the proportion equation
   71,576.42 : 107,322.69 = 47,910.92 : x
2. Step 2: Convert to fraction form
   71,576.42/107,322.69 = 47,910.92/x
3. Step 3: Cross multiply
   71,576.42x = 107,322.69 × 47,910.92
4. Step 4: Simplify right side
   71,576.42x = 5,141,928,814.77
5. Step 5: Solve for x
   x = 5,141,928,814.77/71,576.42
6. Step 6: Final answer
   x = 71,838.31