Finding the Fourth Proportional to 9,888.86, 14,830.86 and 2,868.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,888.86 : 14,830.86 = 2,868.86 : x
2. Step 2: Convert to fraction form
   9,888.86/14,830.86 = 2,868.86/x
3. Step 3: Cross multiply
   9,888.86x = 14,830.86 × 2,868.86
4. Step 4: Simplify right side
   9,888.86x = 42,547,661.02
5. Step 5: Solve for x
   x = 42,547,661.02/9,888.86
6. Step 6: Final answer
   x = 4,302.59