Finding the Fourth Proportional to 104,081.89, 143,632.98 and 56,335.63

Step by Step Solution

1. Step 1: Write the proportion equation
   104,081.89 : 143,632.98 = 56,335.63 : x
2. Step 2: Convert to fraction form
   104,081.89/143,632.98 = 56,335.63/x
3. Step 3: Cross multiply
   104,081.89x = 143,632.98 × 56,335.63
4. Step 4: Simplify right side
   104,081.89x = 8,091,654,417.08
5. Step 5: Solve for x
   x = 8,091,654,417.08/104,081.89
6. Step 6: Final answer
   x = 77,743.15