Finding the Fourth Proportional to 3,374,399.98, 5,062,780.96 and 978,388.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,374,399.98 : 5,062,780.96 = 978,388.39 : x
2. Step 2: Convert to fraction form
   3,374,399.98/5,062,780.96 = 978,388.39/x
3. Step 3: Cross multiply
   3,374,399.98x = 5,062,780.96 × 978,388.39
4. Step 4: Simplify right side
   3,374,399.98x = 4,953,366,116,259.56
5. Step 5: Solve for x
   x = 4,953,366,116,259.56/3,374,399.98
6. Step 6: Final answer
   x = 1,467,925.01