Finding the Fourth Proportional to 3,978,693.93, 5,969,205.48 and 1,282,964.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,693.93 : 5,969,205.48 = 1,282,964.93 : x
2. Step 2: Convert to fraction form
   3,978,693.93/5,969,205.48 = 1,282,964.93/x
3. Step 3: Cross multiply
   3,978,693.93x = 5,969,205.48 × 1,282,964.93
4. Step 4: Simplify right side
   3,978,693.93x = 7,658,281,290,803.82
5. Step 5: Solve for x
   x = 7,658,281,290,803.82/3,978,693.93
6. Step 6: Final answer
   x = 1,924,822.93