Finding the Fourth Proportional to 3,978,243.50, 5,971,539.17 and 3,525,729.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,243.50 : 5,971,539.17 = 3,525,729.98 : x
2. Step 2: Convert to fraction form
   3,978,243.50/5,971,539.17 = 3,525,729.98/x
3. Step 3: Cross multiply
   3,978,243.50x = 5,971,539.17 × 3,525,729.98
4. Step 4: Simplify right side
   3,978,243.50x = 21,054,034,657,369.95
5. Step 5: Solve for x
   x = 21,054,034,657,369.95/3,978,243.50
6. Step 6: Final answer
   x = 5,292,294.12