Finding the Fourth Proportional to 23,419,846.38, 32,318,693.67 and 12,966,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,419,846.38 : 32,318,693.67 = 12,966,328.50 : x
2. Step 2: Convert to fraction form
   23,419,846.38/32,318,693.67 = 12,966,328.50/x
3. Step 3: Cross multiply
   23,419,846.38x = 32,318,693.67 × 12,966,328.50
4. Step 4: Simplify right side
   23,419,846.38x = 419,054,798,816,090.62
5. Step 5: Solve for x
   x = 419,054,798,816,090.62/23,419,846.38
6. Step 6: Final answer
   x = 17,893,148.91