Finding the Fourth Proportional to 949,499,339.58, 1,424,119,719.33 and 249,932,889.54

Step by Step Solution

1. Step 1: Write the proportion equation
   949,499,339.58 : 1,424,119,719.33 = 249,932,889.54 : x
2. Step 2: Convert to fraction form
   949,499,339.58/1,424,119,719.33 = 249,932,889.54/x
3. Step 3: Cross multiply
   949,499,339.58x = 1,424,119,719.33 × 249,932,889.54
4. Step 4: Simplify right side
   949,499,339.58x = 355,934,356,503,040,640
5. Step 5: Solve for x
   x = 355,934,356,503,040,640/949,499,339.58
6. Step 6: Final answer
   x = 374,865,301.81