Finding the Fourth Proportional to 12,077.10, 16,355.93 and 12,077.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.10 : 16,355.93 = 12,077.10 : x
2. Step 2: Convert to fraction form
   12,077.10/16,355.93 = 12,077.10/x
3. Step 3: Cross multiply
   12,077.10x = 16,355.93 × 12,077.10
4. Step 4: Simplify right side
   12,077.10x = 197,532,141.82
5. Step 5: Solve for x
   x = 197,532,141.82/12,077.10
6. Step 6: Final answer
   x = 16,355.93