Finding the Fourth Proportional to 1,978,274.62, 2,730,165.78 and 1,107,196.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,274.62 : 2,730,165.78 = 1,107,196.84 : x
2. Step 2: Convert to fraction form
   1,978,274.62/2,730,165.78 = 1,107,196.84/x
3. Step 3: Cross multiply
   1,978,274.62x = 2,730,165.78 × 1,107,196.84
4. Step 4: Simplify right side
   1,978,274.62x = 3,022,830,924,292.14
5. Step 5: Solve for x
   x = 3,022,830,924,292.14/1,978,274.62
6. Step 6: Final answer
   x = 1,528,013.80