Finding the Fourth Proportional to 16,923,003.51, 23,301,453.98 and 13,216,805.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,923,003.51 : 23,301,453.98 = 13,216,805.34 : x
2. Step 2: Convert to fraction form
   16,923,003.51/23,301,453.98 = 13,216,805.34/x
3. Step 3: Cross multiply
   16,923,003.51x = 23,301,453.98 × 13,216,805.34
4. Step 4: Simplify right side
   16,923,003.51x = 307,970,781,338,289.81
5. Step 5: Solve for x
   x = 307,970,781,338,289.81/16,923,003.51
6. Step 6: Final answer
   x = 18,198,352.38