Finding the Fourth Proportional to 143,499.49, 215,297.68 and 63,526.43

Step by Step Solution

1. Step 1: Write the proportion equation
   143,499.49 : 215,297.68 = 63,526.43 : x
2. Step 2: Convert to fraction form
   143,499.49/215,297.68 = 63,526.43/x
3. Step 3: Cross multiply
   143,499.49x = 215,297.68 × 63,526.43
4. Step 4: Simplify right side
   143,499.49x = 13,677,091,603.56
5. Step 5: Solve for x
   x = 13,677,091,603.56/143,499.49
6. Step 6: Final answer
   x = 95,311.08