Finding the Fourth Proportional to 141,599.79, 195,411.42 and 77,073.30

Step by Step Solution

1. Step 1: Write the proportion equation
   141,599.79 : 195,411.42 = 77,073.30 : x
2. Step 2: Convert to fraction form
   141,599.79/195,411.42 = 77,073.30/x
3. Step 3: Cross multiply
   141,599.79x = 195,411.42 × 77,073.30
4. Step 4: Simplify right side
   141,599.79x = 15,061,002,997.09
5. Step 5: Solve for x
   x = 15,061,002,997.09/141,599.79
6. Step 6: Final answer
   x = 106,363.17