Finding the Fourth Proportional to 1,550,444.67, 2,139,790.82 and 862,185.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,444.67 : 2,139,790.82 = 862,185.15 : x
2. Step 2: Convert to fraction form
   1,550,444.67/2,139,790.82 = 862,185.15/x
3. Step 3: Cross multiply
   1,550,444.67x = 2,139,790.82 × 862,185.15
4. Step 4: Simplify right side
   1,550,444.67x = 1,844,895,869,110.32
5. Step 5: Solve for x
   x = 1,844,895,869,110.32/1,550,444.67
6. Step 6: Final answer
   x = 1,189,914.03