Finding the Fourth Proportional to 16,835,196.06, 23,238,851.12 and 13,106,639.26

Step by Step Solution

1. Step 1: Write the proportion equation
   16,835,196.06 : 23,238,851.12 = 13,106,639.26 : x
2. Step 2: Convert to fraction form
   16,835,196.06/23,238,851.12 = 13,106,639.26/x
3. Step 3: Cross multiply
   16,835,196.06x = 23,238,851.12 × 13,106,639.26
4. Step 4: Simplify right side
   16,835,196.06x = 304,583,238,446,687
5. Step 5: Solve for x
   x = 304,583,238,446,687/16,835,196.06
6. Step 6: Final answer
   x = 18,092,051.76