Finding the Fourth Proportional to 783,404,649.72, 1,175,064,449.31 and 238,103,668.44

Step by Step Solution

1. Step 1: Write the proportion equation
   783,404,649.72 : 1,175,064,449.31 = 238,103,668.44 : x
2. Step 2: Convert to fraction form
   783,404,649.72/1,175,064,449.31 = 238,103,668.44/x
3. Step 3: Cross multiply
   783,404,649.72x = 1,175,064,449.31 × 238,103,668.44
4. Step 4: Simplify right side
   783,404,649.72x = 279,787,156,034,139,424
5. Step 5: Solve for x
   x = 279,787,156,034,139,424/783,404,649.72
6. Step 6: Final answer
   x = 357,142,577.77