Finding the Fourth Proportional to 1,361,380.02, 2,042,081.71 and 388,741.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361,380.02 : 2,042,081.71 = 388,741.79 : x
2. Step 2: Convert to fraction form
   1,361,380.02/2,042,081.71 = 388,741.79/x
3. Step 3: Cross multiply
   1,361,380.02x = 2,042,081.71 × 388,741.79
4. Step 4: Simplify right side
   1,361,380.02x = 793,842,499,271.66
5. Step 5: Solve for x
   x = 793,842,499,271.66/1,361,380.02
6. Step 6: Final answer
   x = 583,116.02