Finding the Fourth Proportional to 10,059.21, 13,881.33 and 5,583.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,059.21 : 13,881.33 = 5,583.15 : x
2. Step 2: Convert to fraction form
   10,059.21/13,881.33 = 5,583.15/x
3. Step 3: Cross multiply
   10,059.21x = 13,881.33 × 5,583.15
4. Step 4: Simplify right side
   10,059.21x = 77,501,547.59
5. Step 5: Solve for x
   x = 77,501,547.59/10,059.21
6. Step 6: Final answer
   x = 7,704.54