Finding the Fourth Proportional to 875,088, 1,207,621.92 and 472,680

Step by Step Solution

1. Step 1: Write the proportion equation
   875,088 : 1,207,621.92 = 472,680 : x
2. Step 2: Convert to fraction form
   875,088/1,207,621.92 = 472,680/x
3. Step 3: Cross multiply
   875,088x = 1,207,621.92 × 472,680
4. Step 4: Simplify right side
   875,088x = 570,818,729,145.60
5. Step 5: Solve for x
   x = 570,818,729,145.60/875,088
6. Step 6: Final answer
   x = 652,298.66