Finding the Fourth Proportional to 21,200,819.16, 31,806,341.23 and 7,365,764.26

Step by Step Solution

1. Step 1: Write the proportion equation
   21,200,819.16 : 31,806,341.23 = 7,365,764.26 : x
2. Step 2: Convert to fraction form
   21,200,819.16/31,806,341.23 = 7,365,764.26/x
3. Step 3: Cross multiply
   21,200,819.16x = 31,806,341.23 × 7,365,764.26
4. Step 4: Simplify right side
   21,200,819.16x = 234,278,011,508,452.78
5. Step 5: Solve for x
   x = 234,278,011,508,452.78/21,200,819.16
6. Step 6: Final answer
   x = 11,050,422.62