Finding the Fourth Proportional to 1,665,130.68, 2,297,915.82 and 939,839.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,130.68 : 2,297,915.82 = 939,839.16 : x
2. Step 2: Convert to fraction form
   1,665,130.68/2,297,915.82 = 939,839.16/x
3. Step 3: Cross multiply
   1,665,130.68x = 2,297,915.82 × 939,839.16
4. Step 4: Simplify right side
   1,665,130.68x = 2,159,671,274,019.51
5. Step 5: Solve for x
   x = 2,159,671,274,019.51/1,665,130.68
6. Step 6: Final answer
   x = 1,296,998.07