Finding the Fourth Proportional to 104,300.91, 143,935.25 and 56,554.29

Step by Step Solution

1. Step 1: Write the proportion equation
   104,300.91 : 143,935.25 = 56,554.29 : x
2. Step 2: Convert to fraction form
   104,300.91/143,935.25 = 56,554.29/x
3. Step 3: Cross multiply
   104,300.91x = 143,935.25 × 56,554.29
4. Step 4: Simplify right side
   104,300.91x = 8,140,156,011.11
5. Step 5: Solve for x
   x = 8,140,156,011.11/104,300.91
6. Step 6: Final answer
   x = 78,044.92