Finding the Fourth Proportional to 6,932,405.42, 10,399,554.42 and 2,887,947.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,932,405.42 : 10,399,554.42 = 2,887,947.40 : x
2. Step 2: Convert to fraction form
   6,932,405.42/10,399,554.42 = 2,887,947.40/x
3. Step 3: Cross multiply
   6,932,405.42x = 10,399,554.42 × 2,887,947.40
4. Step 4: Simplify right side
   6,932,405.42x = 30,033,366,148,397.51
5. Step 5: Solve for x
   x = 30,033,366,148,397.51/6,932,405.42
6. Step 6: Final answer
   x = 4,332,315.31