Finding the Fourth Proportional to 22,638,888.27, 31,244,488.88 and 12,852,500.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,638,888.27 : 31,244,488.88 = 12,852,500.67 : x
2. Step 2: Convert to fraction form
   22,638,888.27/31,244,488.88 = 12,852,500.67/x
3. Step 3: Cross multiply
   22,638,888.27x = 31,244,488.88 × 12,852,500.67
4. Step 4: Simplify right side
   22,638,888.27x = 401,569,814,199,745.06
5. Step 5: Solve for x
   x = 401,569,814,199,745.06/22,638,888.27
6. Step 6: Final answer
   x = 17,738,053.63