Finding the Fourth Proportional to 635,300,930.43, 876,736,548.81 and 353,055,266.87

Step by Step Solution

1. Step 1: Write the proportion equation
   635,300,930.43 : 876,736,548.81 = 353,055,266.87 : x
2. Step 2: Convert to fraction form
   635,300,930.43/876,736,548.81 = 353,055,266.87/x
3. Step 3: Cross multiply
   635,300,930.43x = 876,736,548.81 × 353,055,266.87
4. Step 4: Simplify right side
   635,300,930.43x = 309,536,456,210,413,632
5. Step 5: Solve for x
   x = 309,536,456,210,413,632/635,300,930.43
6. Step 6: Final answer
   x = 487,228,085.75