Finding the Fourth Proportional to 141,377.32, 195,100.91 and 77,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,377.32 : 195,100.91 = 77,715.50 : x
2. Step 2: Convert to fraction form
   141,377.32/195,100.91 = 77,715.50/x
3. Step 3: Cross multiply
   141,377.32x = 195,100.91 × 77,715.50
4. Step 4: Simplify right side
   141,377.32x = 15,162,365,161.71
5. Step 5: Solve for x
   x = 15,162,365,161.71/141,377.32
6. Step 6: Final answer
   x = 107,247.51