Finding the Fourth Proportional to 8,820.30, 13,233.51 and 5,870.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,820.30 : 13,233.51 = 5,870.58 : x
2. Step 2: Convert to fraction form
   8,820.30/13,233.51 = 5,870.58/x
3. Step 3: Cross multiply
   8,820.30x = 13,233.51 × 5,870.58
4. Step 4: Simplify right side
   8,820.30x = 77,688,379.14
5. Step 5: Solve for x
   x = 77,688,379.14/8,820.30
6. Step 6: Final answer
   x = 8,807.91