Finding the Fourth Proportional to 22,267,638.82, 30,728,820.09 and 13,100,870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,267,638.82 : 30,728,820.09 = 13,100,870.98 : x
2. Step 2: Convert to fraction form
   22,267,638.82/30,728,820.09 = 13,100,870.98/x
3. Step 3: Cross multiply
   22,267,638.82x = 30,728,820.09 × 13,100,870.98
4. Step 4: Simplify right side
   22,267,638.82x = 402,574,307,366,722
5. Step 5: Solve for x
   x = 402,574,307,366,722/22,267,638.82
6. Step 6: Final answer
   x = 18,078,895.15