Finding the Fourth Proportional to 1,214,300.38, 1,675,736.76 and 670,437.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,300.38 : 1,675,736.76 = 670,437.22 : x
2. Step 2: Convert to fraction form
   1,214,300.38/1,675,736.76 = 670,437.22/x
3. Step 3: Cross multiply
   1,214,300.38x = 1,675,736.76 × 670,437.22
4. Step 4: Simplify right side
   1,214,300.38x = 1,123,476,294,826.21
5. Step 5: Solve for x
   x = 1,123,476,294,826.21/1,214,300.38
6. Step 6: Final answer
   x = 925,204.60