Finding the Fourth Proportional to 1,673,081.34, 2,308,864.95 and 909,139.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,081.34 : 2,308,864.95 = 909,139.02 : x
2. Step 2: Convert to fraction form
   1,673,081.34/2,308,864.95 = 909,139.02/x
3. Step 3: Cross multiply
   1,673,081.34x = 2,308,864.95 × 909,139.02
4. Step 4: Simplify right side
   1,673,081.34x = 2,099,079,217,955.35
5. Step 5: Solve for x
   x = 2,099,079,217,955.35/1,673,081.34
6. Step 6: Final answer
   x = 1,254,618.75