Finding the Fourth Proportional to 28,111.06, 42,124.83 and 11,450.71

Step by Step Solution

1. Step 1: Write the proportion equation
   28,111.06 : 42,124.83 = 11,450.71 : x
2. Step 2: Convert to fraction form
   28,111.06/42,124.83 = 11,450.71/x
3. Step 3: Cross multiply
   28,111.06x = 42,124.83 × 11,450.71
4. Step 4: Simplify right side
   28,111.06x = 482,359,212.13
5. Step 5: Solve for x
   x = 482,359,212.13/28,111.06
6. Step 6: Final answer
   x = 17,159.05