Finding the Fourth Proportional to 12,039,059.16, 18,061,264.98 and 5,645,904.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039,059.16 : 18,061,264.98 = 5,645,904.12 : x
2. Step 2: Convert to fraction form
   12,039,059.16/18,061,264.98 = 5,645,904.12/x
3. Step 3: Cross multiply
   12,039,059.16x = 18,061,264.98 × 5,645,904.12
4. Step 4: Simplify right side
   12,039,059.16x = 101,972,170,362,993.72
5. Step 5: Solve for x
   x = 101,972,170,362,993.72/12,039,059.16
6. Step 6: Final answer
   x = 8,470,111.24