Finding the Fourth Proportional to 10,638.77, 14,681.90 and 5,858.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,638.77 : 14,681.90 = 5,858.92 : x
2. Step 2: Convert to fraction form
   10,638.77/14,681.90 = 5,858.92/x
3. Step 3: Cross multiply
   10,638.77x = 14,681.90 × 5,858.92
4. Step 4: Simplify right side
   10,638.77x = 86,020,011.55
5. Step 5: Solve for x
   x = 86,020,011.55/10,638.77
6. Step 6: Final answer
   x = 8,085.53