Finding the Fourth Proportional to 10,522.93, 15,780.96 and 3,501.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.93 : 15,780.96 = 3,501.06 : x
2. Step 2: Convert to fraction form
   10,522.93/15,780.96 = 3,501.06/x
3. Step 3: Cross multiply
   10,522.93x = 15,780.96 × 3,501.06
4. Step 4: Simplify right side
   10,522.93x = 55,250,087.82
5. Step 5: Solve for x
   x = 55,250,087.82/10,522.93
6. Step 6: Final answer
   x = 5,250.45