Finding the Fourth Proportional to 953,172.18, 1,315,048.71 and 609,209.46

Step by Step Solution

1. Step 1: Write the proportion equation
   953,172.18 : 1,315,048.71 = 609,209.46 : x
2. Step 2: Convert to fraction form
   953,172.18/1,315,048.71 = 609,209.46/x
3. Step 3: Cross multiply
   953,172.18x = 1,315,048.71 × 609,209.46
4. Step 4: Simplify right side
   953,172.18x = 801,140,114,492.80
5. Step 5: Solve for x
   x = 801,140,114,492.80/953,172.18
6. Step 6: Final answer
   x = 840,498.84