Finding the Fourth Proportional to 814,870.82, 1,124,522.46 and 488,373.48

Step by Step Solution

1. Step 1: Write the proportion equation
   814,870.82 : 1,124,522.46 = 488,373.48 : x
2. Step 2: Convert to fraction form
   814,870.82/1,124,522.46 = 488,373.48/x
3. Step 3: Cross multiply
   814,870.82x = 1,124,522.46 × 488,373.48
4. Step 4: Simplify right side
   814,870.82x = 549,186,947,128.36
5. Step 5: Solve for x
   x = 549,186,947,128.36/814,870.82
6. Step 6: Final answer
   x = 673,955.84