Finding the Fourth Proportional to 76,591.41, 105,688.02 and 42,594.39

Step by Step Solution

1. Step 1: Write the proportion equation
   76,591.41 : 105,688.02 = 42,594.39 : x
2. Step 2: Convert to fraction form
   76,591.41/105,688.02 = 42,594.39/x
3. Step 3: Cross multiply
   76,591.41x = 105,688.02 × 42,594.39
4. Step 4: Simplify right side
   76,591.41x = 4,501,716,901.94
5. Step 5: Solve for x
   x = 4,501,716,901.94/76,591.41
6. Step 6: Final answer
   x = 58,775.74