Finding the Fourth Proportional to 948,915.88, 1,423,856.54 and 416,298.76

Step by Step Solution

1. Step 1: Write the proportion equation
   948,915.88 : 1,423,856.54 = 416,298.76 : x
2. Step 2: Convert to fraction form
   948,915.88/1,423,856.54 = 416,298.76/x
3. Step 3: Cross multiply
   948,915.88x = 1,423,856.54 × 416,298.76
4. Step 4: Simplify right side
   948,915.88x = 592,749,712,019.89
5. Step 5: Solve for x
   x = 592,749,712,019.89/948,915.88
6. Step 6: Final answer
   x = 624,659.91