Finding the Fourth Proportional to 321,368,300.04, 443,077,684.56 and 208,137,726.12

Step by Step Solution

1. Step 1: Write the proportion equation
   321,368,300.04 : 443,077,684.56 = 208,137,726.12 : x
2. Step 2: Convert to fraction form
   321,368,300.04/443,077,684.56 = 208,137,726.12/x
3. Step 3: Cross multiply
   321,368,300.04x = 443,077,684.56 × 208,137,726.12
4. Step 4: Simplify right side
   321,368,300.04x = 92,221,181,758,833,040
5. Step 5: Solve for x
   x = 92,221,181,758,833,040/321,368,300.04
6. Step 6: Final answer
   x = 286,964,152.18