Finding the Fourth Proportional to 909,766.64, 1,361,810.17 and 670,150.69

Step by Step Solution

1. Step 1: Write the proportion equation
   909,766.64 : 1,361,810.17 = 670,150.69 : x
2. Step 2: Convert to fraction form
   909,766.64/1,361,810.17 = 670,150.69/x
3. Step 3: Cross multiply
   909,766.64x = 1,361,810.17 × 670,150.69
4. Step 4: Simplify right side
   909,766.64x = 912,618,025,047.63
5. Step 5: Solve for x
   x = 912,618,025,047.63/909,766.64
6. Step 6: Final answer
   x = 1,003,134.19