Finding the Fourth Proportional to 9,053,152.76, 12,493,177.57 and 4,978,771.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053,152.76 : 12,493,177.57 = 4,978,771.76 : x
2. Step 2: Convert to fraction form
   9,053,152.76/12,493,177.57 = 4,978,771.76/x
3. Step 3: Cross multiply
   9,053,152.76x = 12,493,177.57 × 4,978,771.76
4. Step 4: Simplify right side
   9,053,152.76x = 62,200,679,678,181.42
5. Step 5: Solve for x
   x = 62,200,679,678,181.42/9,053,152.76
6. Step 6: Final answer
   x = 6,870,609.76