Finding the Fourth Proportional to 11,949,499.26, 17,924,221.56 and 5,121,645.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,949,499.26 : 17,924,221.56 = 5,121,645.17 : x
2. Step 2: Convert to fraction form
   11,949,499.26/17,924,221.56 = 5,121,645.17/x
3. Step 3: Cross multiply
   11,949,499.26x = 17,924,221.56 × 5,121,645.17
4. Step 4: Simplify right side
   11,949,499.26x = 91,801,502,708,365.09
5. Step 5: Solve for x
   x = 91,801,502,708,365.09/11,949,499.26
6. Step 6: Final answer
   x = 7,682,456.03