Finding the Fourth Proportional to 144,503,607.41, 199,414,978.06 and 78,424,105.67

Step by Step Solution

1. Step 1: Write the proportion equation
   144,503,607.41 : 199,414,978.06 = 78,424,105.67 : x
2. Step 2: Convert to fraction form
   144,503,607.41/199,414,978.06 = 78,424,105.67/x
3. Step 3: Cross multiply
   144,503,607.41x = 199,414,978.06 × 78,424,105.67
4. Step 4: Simplify right side
   144,503,607.41x = 15,638,941,311,259,498
5. Step 5: Solve for x
   x = 15,638,941,311,259,498/144,503,607.41
6. Step 6: Final answer
   x = 108,225,265.73