Finding the Fourth Proportional to 34,915.50, 52,374.42 and 13,859.46

Step by Step Solution

1. Step 1: Write the proportion equation
   34,915.50 : 52,374.42 = 13,859.46 : x
2. Step 2: Convert to fraction form
   34,915.50/52,374.42 = 13,859.46/x
3. Step 3: Cross multiply
   34,915.50x = 52,374.42 × 13,859.46
4. Step 4: Simplify right side
   34,915.50x = 725,881,179.01
5. Step 5: Solve for x
   x = 725,881,179.01/34,915.50
6. Step 6: Final answer
   x = 20,789.65