Finding the Fourth Proportional to 143,758.45, 215,679.32 and 59,503.06

Step by Step Solution

1. Step 1: Write the proportion equation
   143,758.45 : 215,679.32 = 59,503.06 : x
2. Step 2: Convert to fraction form
   143,758.45/215,679.32 = 59,503.06/x
3. Step 3: Cross multiply
   143,758.45x = 215,679.32 × 59,503.06
4. Step 4: Simplify right side
   143,758.45x = 12,833,579,518.72
5. Step 5: Solve for x
   x = 12,833,579,518.72/143,758.45
6. Step 6: Final answer
   x = 89,271.83