Finding the Fourth Proportional to 141,726.70, 195,582.82 and 78,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,726.70 : 195,582.82 = 78,064.50 : x
2. Step 2: Convert to fraction form
   141,726.70/195,582.82 = 78,064.50/x
3. Step 3: Cross multiply
   141,726.70x = 195,582.82 × 78,064.50
4. Step 4: Simplify right side
   141,726.70x = 15,268,075,051.89
5. Step 5: Solve for x
   x = 15,268,075,051.89/141,726.70
6. Step 6: Final answer
   x = 107,729.00