Finding the Fourth Proportional to 78,147,876.77, 107,863,667.70 and 53,072,414.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,147,876.77 : 107,863,667.70 = 53,072,414.27 : x
2. Step 2: Convert to fraction form
   78,147,876.77/107,863,667.70 = 53,072,414.27/x
3. Step 3: Cross multiply
   78,147,876.77x = 107,863,667.70 × 53,072,414.27
4. Step 4: Simplify right side
   78,147,876.77x = 5,724,585,256,856,019
5. Step 5: Solve for x
   x = 5,724,585,256,856,019/78,147,876.77
6. Step 6: Final answer
   x = 73,253,241.08