Finding the Fourth Proportional to 104,047.17, 143,585.06 and 56,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,047.17 : 143,585.06 = 56,300.50 : x
2. Step 2: Convert to fraction form
   104,047.17/143,585.06 = 56,300.50/x
3. Step 3: Cross multiply
   104,047.17x = 143,585.06 × 56,300.50
4. Step 4: Simplify right side
   104,047.17x = 8,083,910,568.51
5. Step 5: Solve for x
   x = 8,083,910,568.51/104,047.17
6. Step 6: Final answer
   x = 77,694.67