Finding the Fourth Proportional to 72,289.34, 99,769.76 and 41,656.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,289.34 : 99,769.76 = 41,656.47 : x
2. Step 2: Convert to fraction form
   72,289.34/99,769.76 = 41,656.47/x
3. Step 3: Cross multiply
   72,289.34x = 99,769.76 × 41,656.47
4. Step 4: Simplify right side
   72,289.34x = 4,156,055,806.06
5. Step 5: Solve for x
   x = 4,156,055,806.06/72,289.34
6. Step 6: Final answer
   x = 57,491.96