Finding the Fourth Proportional to 1,064,208.69, 1,467,411.53 and 870,016.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,208.69 : 1,467,411.53 = 870,016.05 : x
2. Step 2: Convert to fraction form
   1,064,208.69/1,467,411.53 = 870,016.05/x
3. Step 3: Cross multiply
   1,064,208.69x = 1,467,411.53 × 870,016.05
4. Step 4: Simplify right side
   1,064,208.69x = 1,276,671,578,704.98
5. Step 5: Solve for x
   x = 1,276,671,578,704.98/1,064,208.69
6. Step 6: Final answer
   x = 1,199,644.01