Finding the Fourth Proportional to 35,087, 52,651.24 and 12,915.94

Step by Step Solution

1. Step 1: Write the proportion equation
   35,087 : 52,651.24 = 12,915.94 : x
2. Step 2: Convert to fraction form
   35,087/52,651.24 = 12,915.94/x
3. Step 3: Cross multiply
   35,087x = 52,651.24 × 12,915.94
4. Step 4: Simplify right side
   35,087x = 680,040,256.77
5. Step 5: Solve for x
   x = 680,040,256.77/35,087
6. Step 6: Final answer
   x = 19,381.54