Finding the Fourth Proportional to 35,819.88, 49,435.98 and 21,672.84

Step by Step Solution

1. Step 1: Write the proportion equation
   35,819.88 : 49,435.98 = 21,672.84 : x
2. Step 2: Convert to fraction form
   35,819.88/49,435.98 = 21,672.84/x
3. Step 3: Cross multiply
   35,819.88x = 49,435.98 × 21,672.84
4. Step 4: Simplify right side
   35,819.88x = 1,071,418,084.78
5. Step 5: Solve for x
   x = 1,071,418,084.78/35,819.88
6. Step 6: Final answer
   x = 29,911.27