Finding the Fourth Proportional to 143,455.04, 215,103.56 and 59,196.05

Step by Step Solution

1. Step 1: Write the proportion equation
   143,455.04 : 215,103.56 = 59,196.05 : x
2. Step 2: Convert to fraction form
   143,455.04/215,103.56 = 59,196.05/x
3. Step 3: Cross multiply
   143,455.04x = 215,103.56 × 59,196.05
4. Step 4: Simplify right side
   143,455.04x = 12,733,279,721.44
5. Step 5: Solve for x
   x = 12,733,279,721.44/143,455.04
6. Step 6: Final answer
   x = 88,761.47