Finding the Fourth Proportional to 624,870.02, 937,111.17 and 225,459.02

Step by Step Solution

1. Step 1: Write the proportion equation
   624,870.02 : 937,111.17 = 225,459.02 : x
2. Step 2: Convert to fraction form
   624,870.02/937,111.17 = 225,459.02/x
3. Step 3: Cross multiply
   624,870.02x = 937,111.17 × 225,459.02
4. Step 4: Simplify right side
   624,870.02x = 211,280,166,019.25
5. Step 5: Solve for x
   x = 211,280,166,019.25/624,870.02
6. Step 6: Final answer
   x = 338,118.58