Finding the Fourth Proportional to 13,185,294.72, 19,781,026.56 and 4,086,915.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185,294.72 : 19,781,026.56 = 4,086,915.84 : x
2. Step 2: Convert to fraction form
   13,185,294.72/19,781,026.56 = 4,086,915.84/x
3. Step 3: Cross multiply
   13,185,294.72x = 19,781,026.56 × 4,086,915.84
4. Step 4: Simplify right side
   13,185,294.72x = 80,843,390,779,524.70
5. Step 5: Solve for x
   x = 80,843,390,779,524.70/13,185,294.72
6. Step 6: Final answer
   x = 6,131,329.83