Finding the Fourth Proportional to 16,623,209.10, 24,953,476.05 and 12,853,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,623,209.10 : 24,953,476.05 = 12,853,404.30 : x
2. Step 2: Convert to fraction form
   16,623,209.10/24,953,476.05 = 12,853,404.30/x
3. Step 3: Cross multiply
   16,623,209.10x = 24,953,476.05 × 12,853,404.30
4. Step 4: Simplify right side
   16,623,209.10x = 320,737,116,361,017.06
5. Step 5: Solve for x
   x = 320,737,116,361,017.06/16,623,209.10
6. Step 6: Final answer
   x = 19,294,536.60