Finding the Fourth Proportional to 28,061.06, 42,099.27 and 14,004.11

Step by Step Solution

1. Step 1: Write the proportion equation
   28,061.06 : 42,099.27 = 14,004.11 : x
2. Step 2: Convert to fraction form
   28,061.06/42,099.27 = 14,004.11/x
3. Step 3: Cross multiply
   28,061.06x = 42,099.27 × 14,004.11
4. Step 4: Simplify right side
   28,061.06x = 589,562,597.50
5. Step 5: Solve for x
   x = 589,562,597.50/28,061.06
6. Step 6: Final answer
   x = 21,009.99