Finding the Fourth Proportional to 1,016,399.27, 1,402,627.06 and 629,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,399.27 : 1,402,627.06 = 629,137.50 : x
2. Step 2: Convert to fraction form
   1,016,399.27/1,402,627.06 = 629,137.50/x
3. Step 3: Cross multiply
   1,016,399.27x = 1,402,627.06 × 629,137.50
4. Step 4: Simplify right side
   1,016,399.27x = 882,445,281,960.75
5. Step 5: Solve for x
   x = 882,445,281,960.75/1,016,399.27
6. Step 6: Final answer
   x = 868,207.32