Finding the Fourth Proportional to 77,581.56, 116,423.37 and 42,545.82

Step by Step Solution

1. Step 1: Write the proportion equation
   77,581.56 : 116,423.37 = 42,545.82 : x
2. Step 2: Convert to fraction form
   77,581.56/116,423.37 = 42,545.82/x
3. Step 3: Cross multiply
   77,581.56x = 116,423.37 × 42,545.82
4. Step 4: Simplify right side
   77,581.56x = 4,953,327,743.81
5. Step 5: Solve for x
   x = 4,953,327,743.81/77,581.56
6. Step 6: Final answer
   x = 63,846.71