Finding the Fourth Proportional to 876,530.45, 1,314,870.65 and 307,862.05

Step by Step Solution

1. Step 1: Write the proportion equation
   876,530.45 : 1,314,870.65 = 307,862.05 : x
2. Step 2: Convert to fraction form
   876,530.45/1,314,870.65 = 307,862.05/x
3. Step 3: Cross multiply
   876,530.45x = 1,314,870.65 × 307,862.05
4. Step 4: Simplify right side
   876,530.45x = 404,798,773,793.83
5. Step 5: Solve for x
   x = 404,798,773,793.83/876,530.45
6. Step 6: Final answer
   x = 461,819.41