Finding the Fourth Proportional to 21,073.46, 31,611.40 and 7,925.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,073.46 : 31,611.40 = 7,925.94 : x
2. Step 2: Convert to fraction form
   21,073.46/31,611.40 = 7,925.94/x
3. Step 3: Cross multiply
   21,073.46x = 31,611.40 × 7,925.94
4. Step 4: Simplify right side
   21,073.46x = 250,550,059.72
5. Step 5: Solve for x
   x = 250,550,059.72/21,073.46
6. Step 6: Final answer
   x = 11,889.37