Finding the Fourth Proportional to 3,897,200.61, 5,804,706.03 and 3,722,341.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,200.61 : 5,804,706.03 = 3,722,341.80 : x
2. Step 2: Convert to fraction form
   3,897,200.61/5,804,706.03 = 3,722,341.80/x
3. Step 3: Cross multiply
   3,897,200.61x = 5,804,706.03 × 3,722,341.80
4. Step 4: Simplify right side
   3,897,200.61x = 21,607,099,892,181.05
5. Step 5: Solve for x
   x = 21,607,099,892,181.05/3,897,200.61
6. Step 6: Final answer
   x = 5,544,261.65