Finding the Fourth Proportional to 1,566,985.83, 2,162,530.49 and 878,878.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,985.83 : 2,162,530.49 = 878,878.40 : x
2. Step 2: Convert to fraction form
   1,566,985.83/2,162,530.49 = 878,878.40/x
3. Step 3: Cross multiply
   1,566,985.83x = 2,162,530.49 × 878,878.40
4. Step 4: Simplify right side
   1,566,985.83x = 1,900,601,321,795.37
5. Step 5: Solve for x
   x = 1,900,601,321,795.37/1,566,985.83
6. Step 6: Final answer
   x = 1,212,902.69