Finding the Fourth Proportional to 28,326.96, 42,491.86 and 10,798.16

Step by Step Solution

1. Step 1: Write the proportion equation
   28,326.96 : 42,491.86 = 10,798.16 : x
2. Step 2: Convert to fraction form
   28,326.96/42,491.86 = 10,798.16/x
3. Step 3: Cross multiply
   28,326.96x = 42,491.86 × 10,798.16
4. Step 4: Simplify right side
   28,326.96x = 458,833,663.52
5. Step 5: Solve for x
   x = 458,833,663.52/28,326.96
6. Step 6: Final answer
   x = 16,197.77