Finding the Fourth Proportional to 10,938.42, 16,412.22 and 4,699.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.42 : 16,412.22 = 4,699.80 : x
2. Step 2: Convert to fraction form
   10,938.42/16,412.22 = 4,699.80/x
3. Step 3: Cross multiply
   10,938.42x = 16,412.22 × 4,699.80
4. Step 4: Simplify right side
   10,938.42x = 77,134,151.56
5. Step 5: Solve for x
   x = 77,134,151.56/10,938.42
6. Step 6: Final answer
   x = 7,051.67