Finding the Fourth Proportional to 19,693,100.36, 29,550,057.98 and 13,972,802.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,693,100.36 : 29,550,057.98 = 13,972,802.30 : x
2. Step 2: Convert to fraction form
   19,693,100.36/29,550,057.98 = 13,972,802.30/x
3. Step 3: Cross multiply
   19,693,100.36x = 29,550,057.98 × 13,972,802.30
4. Step 4: Simplify right side
   19,693,100.36x = 412,897,118,108,077.38
5. Step 5: Solve for x
   x = 412,897,118,108,077.38/19,693,100.36
6. Step 6: Final answer
   x = 20,966,587.82