Finding the Fourth Proportional to 28,460.98, 42,693.53 and 10,930.81

Step by Step Solution

1. Step 1: Write the proportion equation
   28,460.98 : 42,693.53 = 10,930.81 : x
2. Step 2: Convert to fraction form
   28,460.98/42,693.53 = 10,930.81/x
3. Step 3: Cross multiply
   28,460.98x = 42,693.53 × 10,930.81
4. Step 4: Simplify right side
   28,460.98x = 466,674,863.37
5. Step 5: Solve for x
   x = 466,674,863.37/28,460.98
6. Step 6: Final answer
   x = 16,397.00