Finding the Fourth Proportional to 77,585.56, 116,429.37 and 42,549.82

Step by Step Solution

1. Step 1: Write the proportion equation
   77,585.56 : 116,429.37 = 42,549.82 : x
2. Step 2: Convert to fraction form
   77,585.56/116,429.37 = 42,549.82/x
3. Step 3: Cross multiply
   77,585.56x = 116,429.37 × 42,549.82
4. Step 4: Simplify right side
   77,585.56x = 4,954,048,736.21
5. Step 5: Solve for x
   x = 4,954,048,736.21/77,585.56
6. Step 6: Final answer
   x = 63,852.72