Finding the Fourth Proportional to 1,258,521.76, 1,886,784.72 and 659,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,521.76 : 1,886,784.72 = 659,368 : x
2. Step 2: Convert to fraction form
   1,258,521.76/1,886,784.72 = 659,368/x
3. Step 3: Cross multiply
   1,258,521.76x = 1,886,784.72 × 659,368
4. Step 4: Simplify right side
   1,258,521.76x = 1,244,085,467,256.96
5. Step 5: Solve for x
   x = 1,244,085,467,256.96/1,258,521.76
6. Step 6: Final answer
   x = 988,529.17