Finding the Fourth Proportional to 13,299,173.31, 19,904,805.35 and 12,104,095.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,299,173.31 : 19,904,805.35 = 12,104,095.37 : x
2. Step 2: Convert to fraction form
   13,299,173.31/19,904,805.35 = 12,104,095.37/x
3. Step 3: Cross multiply
   13,299,173.31x = 19,904,805.35 × 12,104,095.37
4. Step 4: Simplify right side
   13,299,173.31x = 240,929,662,117,641.72
5. Step 5: Solve for x
   x = 240,929,662,117,641.72/13,299,173.31
6. Step 6: Final answer
   x = 18,116,138.24