Finding the Fourth Proportional to 12,093,077.81, 18,139,503.78 and 4,902,902.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093,077.81 : 18,139,503.78 = 4,902,902.48 : x
2. Step 2: Convert to fraction form
   12,093,077.81/18,139,503.78 = 4,902,902.48/x
3. Step 3: Cross multiply
   12,093,077.81x = 18,139,503.78 × 4,902,902.48
4. Step 4: Simplify right side
   12,093,077.81x = 88,936,217,978,233.86
5. Step 5: Solve for x
   x = 88,936,217,978,233.86/12,093,077.81
6. Step 6: Final answer
   x = 7,354,307.93