Finding the Fourth Proportional to 143,081.59, 214,581.15 and 57,692.45

Step by Step Solution

1. Step 1: Write the proportion equation
   143,081.59 : 214,581.15 = 57,692.45 : x
2. Step 2: Convert to fraction form
   143,081.59/214,581.15 = 57,692.45/x
3. Step 3: Cross multiply
   143,081.59x = 214,581.15 × 57,692.45
4. Step 4: Simplify right side
   143,081.59x = 12,379,712,803.77
5. Step 5: Solve for x
   x = 12,379,712,803.77/143,081.59
6. Step 6: Final answer
   x = 86,522.05