Finding the Fourth Proportional to 1,511,667.01, 2,267,486.38 and 612,895.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,667.01 : 2,267,486.38 = 612,895.15 : x
2. Step 2: Convert to fraction form
   1,511,667.01/2,267,486.38 = 612,895.15/x
3. Step 3: Cross multiply
   1,511,667.01x = 2,267,486.38 × 612,895.15
4. Step 4: Simplify right side
   1,511,667.01x = 1,389,731,404,993.06
5. Step 5: Solve for x
   x = 1,389,731,404,993.06/1,511,667.01
6. Step 6: Final answer
   x = 919,336.99