Finding the Fourth Proportional to 104,297.02, 143,928.50 and 56,549.34

Step by Step Solution

1. Step 1: Write the proportion equation
   104,297.02 : 143,928.50 = 56,549.34 : x
2. Step 2: Convert to fraction form
   104,297.02/143,928.50 = 56,549.34/x
3. Step 3: Cross multiply
   104,297.02x = 143,928.50 × 56,549.34
4. Step 4: Simplify right side
   104,297.02x = 8,139,061,399.44
5. Step 5: Solve for x
   x = 8,139,061,399.44/104,297.02
6. Step 6: Final answer
   x = 78,037.34