Finding the Fourth Proportional to 1,003,986.54, 1,505,980.35 and 630,271.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,986.54 : 1,505,980.35 = 630,271.98 : x
2. Step 2: Convert to fraction form
   1,003,986.54/1,505,980.35 = 630,271.98/x
3. Step 3: Cross multiply
   1,003,986.54x = 1,505,980.35 × 630,271.98
4. Step 4: Simplify right side
   1,003,986.54x = 949,177,217,035.59
5. Step 5: Solve for x
   x = 949,177,217,035.59/1,003,986.54
6. Step 6: Final answer
   x = 945,408.31