Finding the Fourth Proportional to 1,672,667.82, 2,308,292.64 and 908,721.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,667.82 : 2,308,292.64 = 908,721.18 : x
2. Step 2: Convert to fraction form
   1,672,667.82/2,308,292.64 = 908,721.18/x
3. Step 3: Cross multiply
   1,672,667.82x = 2,308,292.64 × 908,721.18
4. Step 4: Simplify right side
   1,672,667.82x = 2,097,594,411,606.12
5. Step 5: Solve for x
   x = 2,097,594,411,606.12/1,672,667.82
6. Step 6: Final answer
   x = 1,254,041.23