Finding the Fourth Proportional to 22,526,496.23, 31,087,176.91 and 12,738,404.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,526,496.23 : 31,087,176.91 = 12,738,404.79 : x
2. Step 2: Convert to fraction form
   22,526,496.23/31,087,176.91 = 12,738,404.79/x
3. Step 3: Cross multiply
   22,526,496.23x = 31,087,176.91 × 12,738,404.79
4. Step 4: Simplify right side
   22,526,496.23x = 396,001,043,226,075.38
5. Step 5: Solve for x
   x = 396,001,043,226,075.38/22,526,496.23
6. Step 6: Final answer
   x = 17,579,344.75