Finding the Fourth Proportional to 9,052,765.80, 12,493,145.30 and 5,186,034.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,052,765.80 : 12,493,145.30 = 5,186,034.28 : x
2. Step 2: Convert to fraction form
   9,052,765.80/12,493,145.30 = 5,186,034.28/x
3. Step 3: Cross multiply
   9,052,765.80x = 12,493,145.30 × 5,186,034.28
4. Step 4: Simplify right side
   9,052,765.80x = 64,789,879,790,820.89
5. Step 5: Solve for x
   x = 64,789,879,790,820.89/9,052,765.80
6. Step 6: Final answer
   x = 7,156,915.49