Finding the Fourth Proportional to 1,146,314.88, 1,581,930.78 and 630,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,314.88 : 1,581,930.78 = 630,116.50 : x
2. Step 2: Convert to fraction form
   1,146,314.88/1,581,930.78 = 630,116.50/x
3. Step 3: Cross multiply
   1,146,314.88x = 1,581,930.78 × 630,116.50
4. Step 4: Simplify right side
   1,146,314.88x = 996,800,686,335.87
5. Step 5: Solve for x
   x = 996,800,686,335.87/1,146,314.88
6. Step 6: Final answer
   x = 869,569.70