Finding the Fourth Proportional to 10,335.47, 14,263.29 and 5,619.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,335.47 : 14,263.29 = 5,619.78 : x
2. Step 2: Convert to fraction form
   10,335.47/14,263.29 = 5,619.78/x
3. Step 3: Cross multiply
   10,335.47x = 14,263.29 × 5,619.78
4. Step 4: Simplify right side
   10,335.47x = 80,156,551.88
5. Step 5: Solve for x
   x = 80,156,551.88/10,335.47
6. Step 6: Final answer
   x = 7,755.49