Finding the Fourth Proportional to 141,870.44, 195,782.72 and 78,210.51

Step by Step Solution

1. Step 1: Write the proportion equation
   141,870.44 : 195,782.72 = 78,210.51 : x
2. Step 2: Convert to fraction form
   141,870.44/195,782.72 = 78,210.51/x
3. Step 3: Cross multiply
   141,870.44x = 195,782.72 × 78,210.51
4. Step 4: Simplify right side
   141,870.44x = 15,312,265,989.33
5. Step 5: Solve for x
   x = 15,312,265,989.33/141,870.44
6. Step 6: Final answer
   x = 107,931.34