Finding the Fourth Proportional to 141,902.55, 195,826.82 and 78,238.71

Step by Step Solution

1. Step 1: Write the proportion equation
   141,902.55 : 195,826.82 = 78,238.71 : x
2. Step 2: Convert to fraction form
   141,902.55/195,826.82 = 78,238.71/x
3. Step 3: Cross multiply
   141,902.55x = 195,826.82 × 78,238.71
4. Step 4: Simplify right side
   141,902.55x = 15,321,237,389.01
5. Step 5: Solve for x
   x = 15,321,237,389.01/141,902.55
6. Step 6: Final answer
   x = 107,970.13