Finding the Fourth Proportional to 2,538,843.60, 3,805,838.10 and 940,978.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,843.60 : 3,805,838.10 = 940,978.20 : x
2. Step 2: Convert to fraction form
   2,538,843.60/3,805,838.10 = 940,978.20/x
3. Step 3: Cross multiply
   2,538,843.60x = 3,805,838.10 × 940,978.20
4. Step 4: Simplify right side
   2,538,843.60x = 3,581,210,684,829.42
5. Step 5: Solve for x
   x = 3,581,210,684,829.42/2,538,843.60
6. Step 6: Final answer
   x = 1,410,567.66