Finding the Fourth Proportional to 104,156.72, 143,736.36 and 56,410.16

Step by Step Solution

1. Step 1: Write the proportion equation
   104,156.72 : 143,736.36 = 56,410.16 : x
2. Step 2: Convert to fraction form
   104,156.72/143,736.36 = 56,410.16/x
3. Step 3: Cross multiply
   104,156.72x = 143,736.36 × 56,410.16
4. Step 4: Simplify right side
   104,156.72x = 8,108,191,065.42
5. Step 5: Solve for x
   x = 8,108,191,065.42/104,156.72
6. Step 6: Final answer
   x = 77,846.07