Finding the Fourth Proportional to 103,798.05, 143,251.89 and 63,538.41

Step by Step Solution

1. Step 1: Write the proportion equation
   103,798.05 : 143,251.89 = 63,538.41 : x
2. Step 2: Convert to fraction form
   103,798.05/143,251.89 = 63,538.41/x
3. Step 3: Cross multiply
   103,798.05x = 143,251.89 × 63,538.41
4. Step 4: Simplify right side
   103,798.05x = 9,101,997,320.09
5. Step 5: Solve for x
   x = 9,101,997,320.09/103,798.05
6. Step 6: Final answer
   x = 87,689.48