Finding the Fourth Proportional to 7,152,395.49, 9,870,357.12 and 3,889,186.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152,395.49 : 9,870,357.12 = 3,889,186.83 : x
2. Step 2: Convert to fraction form
   7,152,395.49/9,870,357.12 = 3,889,186.83/x
3. Step 3: Cross multiply
   7,152,395.49x = 9,870,357.12 × 3,889,186.83
4. Step 4: Simplify right side
   7,152,395.49x = 38,387,662,918,500.73
5. Step 5: Solve for x
   x = 38,387,662,918,500.73/7,152,395.49
6. Step 6: Final answer
   x = 5,367,105.74