Finding the Fourth Proportional to 143,079.84, 214,830.42 and 80,023.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,079.84 : 214,830.42 = 80,023.50 : x
2. Step 2: Convert to fraction form
   143,079.84/214,830.42 = 80,023.50/x
3. Step 3: Cross multiply
   143,079.84x = 214,830.42 × 80,023.50
4. Step 4: Simplify right side
   143,079.84x = 17,191,482,114.87
5. Step 5: Solve for x
   x = 17,191,482,114.87/143,079.84
6. Step 6: Final answer
   x = 120,153.07