Finding the Fourth Proportional to 1,009,810.32, 1,393,499.88 and 627,749.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,810.32 : 1,393,499.88 = 627,749.52 : x
2. Step 2: Convert to fraction form
   1,009,810.32/1,393,499.88 = 627,749.52/x
3. Step 3: Cross multiply
   1,009,810.32x = 1,393,499.88 × 627,749.52
4. Step 4: Simplify right side
   1,009,810.32x = 874,768,880,790.06
5. Step 5: Solve for x
   x = 874,768,880,790.06/1,009,810.32
6. Step 6: Final answer
   x = 866,270.49