Finding the Fourth Proportional to 20,696,875.26, 28,562,941.98 and 11,404,434.09

Step by Step Solution

1. Step 1: Write the proportion equation
   20,696,875.26 : 28,562,941.98 = 11,404,434.09 : x
2. Step 2: Convert to fraction form
   20,696,875.26/28,562,941.98 = 11,404,434.09/x
3. Step 3: Cross multiply
   20,696,875.26x = 28,562,941.98 × 11,404,434.09
4. Step 4: Simplify right side
   20,696,875.26x = 325,744,189,227,404.12
5. Step 5: Solve for x
   x = 325,744,189,227,404.12/20,696,875.26
6. Step 6: Final answer
   x = 15,738,810.09