Finding the Fourth Proportional to 9,774.59, 13,490.01 and 5,527.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,774.59 : 13,490.01 = 5,527.35 : x
2. Step 2: Convert to fraction form
   9,774.59/13,490.01 = 5,527.35/x
3. Step 3: Cross multiply
   9,774.59x = 13,490.01 × 5,527.35
4. Step 4: Simplify right side
   9,774.59x = 74,564,006.77
5. Step 5: Solve for x
   x = 74,564,006.77/9,774.59
6. Step 6: Final answer
   x = 7,628.36