Finding the Fourth Proportional to 1,566,987.83, 2,162,533.25 and 878,880.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,987.83 : 2,162,533.25 = 878,880.40 : x
2. Step 2: Convert to fraction form
   1,566,987.83/2,162,533.25 = 878,880.40/x
3. Step 3: Cross multiply
   1,566,987.83x = 2,162,533.25 × 878,880.40
4. Step 4: Simplify right side
   1,566,987.83x = 1,900,608,087,773.30
5. Step 5: Solve for x
   x = 1,900,608,087,773.30/1,566,987.83
6. Step 6: Final answer
   x = 1,212,905.46