Finding the Fourth Proportional to 3,502,431.30, 5,253,258.15 and 978,341.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,502,431.30 : 5,253,258.15 = 978,341.70 : x
2. Step 2: Convert to fraction form
   3,502,431.30/5,253,258.15 = 978,341.70/x
3. Step 3: Cross multiply
   3,502,431.30x = 5,253,258.15 × 978,341.70
4. Step 4: Simplify right side
   3,502,431.30x = 5,139,481,509,009.86
5. Step 5: Solve for x
   x = 5,139,481,509,009.86/3,502,431.30
6. Step 6: Final answer
   x = 1,467,403.95