Finding the Fourth Proportional to 1,300,784.16, 1,949,549.64 and 626,738.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,784.16 : 1,949,549.64 = 626,738.88 : x
2. Step 2: Convert to fraction form
   1,300,784.16/1,949,549.64 = 626,738.88/x
3. Step 3: Cross multiply
   1,300,784.16x = 1,949,549.64 × 626,738.88
4. Step 4: Simplify right side
   1,300,784.16x = 1,221,858,557,878.00
5. Step 5: Solve for x
   x = 1,221,858,557,878.00/1,300,784.16
6. Step 6: Final answer
   x = 939,324.60