Finding the Fourth Proportional to 1,565,978.77, 2,161,202.37 and 877,767.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,565,978.77 : 2,161,202.37 = 877,767.52 : x
2. Step 2: Convert to fraction form
   1,565,978.77/2,161,202.37 = 877,767.52/x
3. Step 3: Cross multiply
   1,565,978.77x = 2,161,202.37 × 877,767.52
4. Step 4: Simplify right side
   1,565,978.77x = 1,897,033,244,533.02
5. Step 5: Solve for x
   x = 1,897,033,244,533.02/1,565,978.77
6. Step 6: Final answer
   x = 1,211,404.19