Finding the Fourth Proportional to 23,318,949.83, 32,179,970.69 and 12,865,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,318,949.83 : 32,179,970.69 = 12,865,406.72 : x
2. Step 2: Convert to fraction form
   23,318,949.83/32,179,970.69 = 12,865,406.72/x
3. Step 3: Cross multiply
   23,318,949.83x = 32,179,970.69 × 12,865,406.72
4. Step 4: Simplify right side
   23,318,949.83x = 414,008,410,939,302.12
5. Step 5: Solve for x
   x = 414,008,410,939,302.12/23,318,949.83
6. Step 6: Final answer
   x = 17,754,161.92