Finding the Fourth Proportional to 16,623,126.10, 24,953,351.55 and 12,853,321.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,623,126.10 : 24,953,351.55 = 12,853,321.30 : x
2. Step 2: Convert to fraction form
   16,623,126.10/24,953,351.55 = 12,853,321.30/x
3. Step 3: Cross multiply
   16,623,126.10x = 24,953,351.55 × 12,853,321.30
4. Step 4: Simplify right side
   16,623,126.10x = 320,733,444,984,003.06
5. Step 5: Solve for x
   x = 320,733,444,984,003.06/16,623,126.10
6. Step 6: Final answer
   x = 19,294,412.08