Finding the Fourth Proportional to 1,613,667.84, 2,226,901.55 and 878,662.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613,667.84 : 2,226,901.55 = 878,662.41 : x
2. Step 2: Convert to fraction form
   1,613,667.84/2,226,901.55 = 878,662.41/x
3. Step 3: Cross multiply
   1,613,667.84x = 2,226,901.55 × 878,662.41
4. Step 4: Simplify right side
   1,613,667.84x = 1,956,694,671,621.23
5. Step 5: Solve for x
   x = 1,956,694,671,621.23/1,613,667.84
6. Step 6: Final answer
   x = 1,212,575.86