Finding the Fourth Proportional to 10,007.30, 13,809.35 and 5,531.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,007.30 : 13,809.35 = 5,531.00 : x
2. Step 2: Convert to fraction form
   10,007.30/13,809.35 = 5,531.00/x
3. Step 3: Cross multiply
   10,007.30x = 13,809.35 × 5,531.00
4. Step 4: Simplify right side
   10,007.30x = 76,379,459.63
5. Step 5: Solve for x
   x = 76,379,459.63/10,007.30
6. Step 6: Final answer
   x = 7,632.37