Finding the Fourth Proportional to 9,982,514.50, 13,775,870 and 5,398,835.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,982,514.50 : 13,775,870 = 5,398,835.87 : x
2. Step 2: Convert to fraction form
   9,982,514.50/13,775,870 = 5,398,835.87/x
3. Step 3: Cross multiply
   9,982,514.50x = 13,775,870 × 5,398,835.87
4. Step 4: Simplify right side
   9,982,514.50x = 74,373,661,096,456.91
5. Step 5: Solve for x
   x = 74,373,661,096,456.91/9,982,514.50
6. Step 6: Final answer
   x = 7,450,393.50