Finding the Fourth Proportional to 9,779.42, 13,495.86 and 5,529.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,779.42 : 13,495.86 = 5,529.62 : x
2. Step 2: Convert to fraction form
   9,779.42/13,495.86 = 5,529.62/x
3. Step 3: Cross multiply
   9,779.42x = 13,495.86 × 5,529.62
4. Step 4: Simplify right side
   9,779.42x = 74,626,977.37
5. Step 5: Solve for x
   x = 74,626,977.37/9,779.42
6. Step 6: Final answer
   x = 7,631.02