Finding the Fourth Proportional to 141,499.45, 195,258.56 and 77,841.35

Step by Step Solution

1. Step 1: Write the proportion equation
   141,499.45 : 195,258.56 = 77,841.35 : x
2. Step 2: Convert to fraction form
   141,499.45/195,258.56 = 77,841.35/x
3. Step 3: Cross multiply
   141,499.45x = 195,258.56 × 77,841.35
4. Step 4: Simplify right side
   141,499.45x = 15,199,189,909.46
5. Step 5: Solve for x
   x = 15,199,189,909.46/141,499.45
6. Step 6: Final answer
   x = 107,415.19