Finding the Fourth Proportional to 1,214,111.55, 1,675,476.42 and 670,248.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,111.55 : 1,675,476.42 = 670,248.09 : x
2. Step 2: Convert to fraction form
   1,214,111.55/1,675,476.42 = 670,248.09/x
3. Step 3: Cross multiply
   1,214,111.55x = 1,675,476.42 × 670,248.09
4. Step 4: Simplify right side
   1,214,111.55x = 1,122,984,870,345.04
5. Step 5: Solve for x
   x = 1,122,984,870,345.04/1,214,111.55
6. Step 6: Final answer
   x = 924,943.73