Finding the Fourth Proportional to 12,570.91, 18,830.85 and 5,897.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570.91 : 18,830.85 = 5,897.32 : x
2. Step 2: Convert to fraction form
   12,570.91/18,830.85 = 5,897.32/x
3. Step 3: Cross multiply
   12,570.91x = 18,830.85 × 5,897.32
4. Step 4: Simplify right side
   12,570.91x = 111,051,548.32
5. Step 5: Solve for x
   x = 111,051,548.32/12,570.91
6. Step 6: Final answer
   x = 8,834.01