Finding the Fourth Proportional to 123,905,796.63, 185,879,869.22 and 51,082,768.55

Step by Step Solution

1. Step 1: Write the proportion equation
   123,905,796.63 : 185,879,869.22 = 51,082,768.55 : x
2. Step 2: Convert to fraction form
   123,905,796.63/185,879,869.22 = 51,082,768.55/x
3. Step 3: Cross multiply
   123,905,796.63x = 185,879,869.22 × 51,082,768.55
4. Step 4: Simplify right side
   123,905,796.63x = 9,495,258,337,870,376
5. Step 5: Solve for x
   x = 9,495,258,337,870,376/123,905,796.63
6. Step 6: Final answer
   x = 76,632,882.37