Finding the Fourth Proportional to 12,069,178.32, 16,632,078.56 and 10,007,187.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,069,178.32 : 16,632,078.56 = 10,007,187.20 : x
2. Step 2: Convert to fraction form
   12,069,178.32/16,632,078.56 = 10,007,187.20/x
3. Step 3: Cross multiply
   12,069,178.32x = 16,632,078.56 × 10,007,187.20
4. Step 4: Simplify right side
   12,069,178.32x = 166,440,323,675,026.44
5. Step 5: Solve for x
   x = 166,440,323,675,026.44/12,069,178.32
6. Step 6: Final answer
   x = 13,790,526.52