Finding the Fourth Proportional to 876,434.22, 1,314,796.74 and 307,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   876,434.22 : 1,314,796.74 = 307,667.88 : x
2. Step 2: Convert to fraction form
   876,434.22/1,314,796.74 = 307,667.88/x
3. Step 3: Cross multiply
   876,434.22x = 1,314,796.74 × 307,667.88
4. Step 4: Simplify right side
   876,434.22x = 404,520,725,626.71
5. Step 5: Solve for x
   x = 404,520,725,626.71/876,434.22
6. Step 6: Final answer
   x = 461,552.87