Finding the Fourth Proportional to 78,147,874.77, 107,863,664.94 and 53,072,412.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,147,874.77 : 107,863,664.94 = 53,072,412.27 : x
2. Step 2: Convert to fraction form
   78,147,874.77/107,863,664.94 = 53,072,412.27/x
3. Step 3: Cross multiply
   78,147,874.77x = 107,863,664.94 × 53,072,412.27
4. Step 4: Simplify right side
   78,147,874.77x = 5,724,584,894,648,825
5. Step 5: Solve for x
   x = 5,724,584,894,648,825/78,147,874.77
6. Step 6: Final answer
   x = 73,253,238.32