Finding the Fourth Proportional to 5,620.59, 7,810.02 and 5,559.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,620.59 : 7,810.02 = 5,559.84 : x
2. Step 2: Convert to fraction form
   5,620.59/7,810.02 = 5,559.84/x
3. Step 3: Cross multiply
   5,620.59x = 7,810.02 × 5,559.84
4. Step 4: Simplify right side
   5,620.59x = 43,422,461.60
5. Step 5: Solve for x
   x = 43,422,461.60/5,620.59
6. Step 6: Final answer
   x = 7,725.61