Finding the Fourth Proportional to 21,200,834.32, 31,806,363.97 and 7,365,779.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,200,834.32 : 31,806,363.97 = 7,365,779.42 : x
2. Step 2: Convert to fraction form
   21,200,834.32/31,806,363.97 = 7,365,779.42/x
3. Step 3: Cross multiply
   21,200,834.32x = 31,806,363.97 × 7,365,779.42
4. Step 4: Simplify right side
   21,200,834.32x = 234,278,661,038,910.72
5. Step 5: Solve for x
   x = 234,278,661,038,910.72/21,200,834.32
6. Step 6: Final answer
   x = 11,050,445.35