Finding the Fourth Proportional to 16,683,743.88, 25,016,492.82 and 13,247,556.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,683,743.88 : 25,016,492.82 = 13,247,556.59 : x
2. Step 2: Convert to fraction form
   16,683,743.88/25,016,492.82 = 13,247,556.59/x
3. Step 3: Cross multiply
   16,683,743.88x = 25,016,492.82 × 13,247,556.59
4. Step 4: Simplify right side
   16,683,743.88x = 331,407,404,191,196.25
5. Step 5: Solve for x
   x = 331,407,404,191,196.25/16,683,743.88
6. Step 6: Final answer
   x = 19,864,090.85