Finding the Fourth Proportional to 78,588.95, 117,908.01 and 50,540.67

Step by Step Solution

1. Step 1: Write the proportion equation
   78,588.95 : 117,908.01 = 50,540.67 : x
2. Step 2: Convert to fraction form
   78,588.95/117,908.01 = 50,540.67/x
3. Step 3: Cross multiply
   78,588.95x = 117,908.01 × 50,540.67
4. Step 4: Simplify right side
   78,588.95x = 5,959,149,823.77
5. Step 5: Solve for x
   x = 5,959,149,823.77/78,588.95
6. Step 6: Final answer
   x = 75,826.82