Finding the Fourth Proportional to 28,042,106.42, 42,058,951.68 and 8,870,371.94

Step by Step Solution

1. Step 1: Write the proportion equation
   28,042,106.42 : 42,058,951.68 = 8,870,371.94 : x
2. Step 2: Convert to fraction form
   28,042,106.42/42,058,951.68 = 8,870,371.94/x
3. Step 3: Cross multiply
   28,042,106.42x = 42,058,951.68 × 8,870,371.94
4. Step 4: Simplify right side
   28,042,106.42x = 373,078,544,808,087.81
5. Step 5: Solve for x
   x = 373,078,544,808,087.81/28,042,106.42
6. Step 6: Final answer
   x = 13,304,226.84