Finding the Fourth Proportional to 4,978,521.60, 6,870,571.61 and 2,773,381.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978,521.60 : 6,870,571.61 = 2,773,381.75 : x
2. Step 2: Convert to fraction form
   4,978,521.60/6,870,571.61 = 2,773,381.75/x
3. Step 3: Cross multiply
   4,978,521.60x = 6,870,571.61 × 2,773,381.75
4. Step 4: Simplify right side
   4,978,521.60x = 19,054,717,884,198.78
5. Step 5: Solve for x
   x = 19,054,717,884,198.78/4,978,521.60
6. Step 6: Final answer
   x = 3,827,384.80