Finding the Fourth Proportional to 39,111,650.10, 53,969,699.39 and 21,708,728.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,111,650.10 : 53,969,699.39 = 21,708,728.82 : x
2. Step 2: Convert to fraction form
   39,111,650.10/53,969,699.39 = 21,708,728.82/x
3. Step 3: Cross multiply
   39,111,650.10x = 53,969,699.39 × 21,708,728.82
4. Step 4: Simplify right side
   39,111,650.10x = 1,171,613,568,445,885.75
5. Step 5: Solve for x
   x = 1,171,613,568,445,885.75/39,111,650.10
6. Step 6: Final answer
   x = 29,955,615.92