Finding the Fourth Proportional to 21,094,048.95, 29,114,340.69 and 12,836,771.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,094,048.95 : 29,114,340.69 = 12,836,771.69 : x
2. Step 2: Convert to fraction form
   21,094,048.95/29,114,340.69 = 12,836,771.69/x
3. Step 3: Cross multiply
   21,094,048.95x = 29,114,340.69 × 12,836,771.69
4. Step 4: Simplify right side
   21,094,048.95x = 373,734,144,196,835.38
5. Step 5: Solve for x
   x = 373,734,144,196,835.38/21,094,048.95
6. Step 6: Final answer
   x = 17,717,515.74