Finding the Fourth Proportional to 418,968.18, 628,071.03 and 152,667.99

Step by Step Solution

1. Step 1: Write the proportion equation
   418,968.18 : 628,071.03 = 152,667.99 : x
2. Step 2: Convert to fraction form
   418,968.18/628,071.03 = 152,667.99/x
3. Step 3: Cross multiply
   418,968.18x = 628,071.03 × 152,667.99
4. Step 4: Simplify right side
   418,968.18x = 95,886,341,727.33
5. Step 5: Solve for x
   x = 95,886,341,727.33/418,968.18
6. Step 6: Final answer
   x = 228,863.06