Finding the Fourth Proportional to 1,793,945.60, 2,475,656.48 and 978,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793,945.60 : 2,475,656.48 = 978,162.72 : x
2. Step 2: Convert to fraction form
   1,793,945.60/2,475,656.48 = 978,162.72/x
3. Step 3: Cross multiply
   1,793,945.60x = 2,475,656.48 × 978,162.72
4. Step 4: Simplify right side
   1,793,945.60x = 2,421,594,876,262.43
5. Step 5: Solve for x
   x = 2,421,594,876,262.43/1,793,945.60
6. Step 6: Final answer
   x = 1,349,870.85