Finding the Fourth Proportional to 12,949,204.69, 17,870,325.42 and 7,069,152.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,949,204.69 : 17,870,325.42 = 7,069,152.40 : x
2. Step 2: Convert to fraction form
   12,949,204.69/17,870,325.42 = 7,069,152.40/x
3. Step 3: Cross multiply
   12,949,204.69x = 17,870,325.42 × 7,069,152.40
4. Step 4: Simplify right side
   12,949,204.69x = 126,328,053,769,225.31
5. Step 5: Solve for x
   x = 126,328,053,769,225.31/12,949,204.69
6. Step 6: Final answer
   x = 9,755,661.20