Finding the Fourth Proportional to 78,066,419.38, 107,780,627.36 and 50,237,480.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,066,419.38 : 107,780,627.36 = 50,237,480.30 : x
2. Step 2: Convert to fraction form
   78,066,419.38/107,780,627.36 = 50,237,480.30/x
3. Step 3: Cross multiply
   78,066,419.38x = 107,780,627.36 × 50,237,480.30
4. Step 4: Simplify right side
   78,066,419.38x = 5,414,627,143,306,332
5. Step 5: Solve for x
   x = 5,414,627,143,306,332/78,066,419.38
6. Step 6: Final answer
   x = 69,359,235.21