Finding the Fourth Proportional to 76,913.94, 106,141.26 and 42,458.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,913.94 : 106,141.26 = 42,458.69 : x
2. Step 2: Convert to fraction form
   76,913.94/106,141.26 = 42,458.69/x
3. Step 3: Cross multiply
   76,913.94x = 106,141.26 × 42,458.69
4. Step 4: Simplify right side
   76,913.94x = 4,506,618,854.55
5. Step 5: Solve for x
   x = 4,506,618,854.55/76,913.94
6. Step 6: Final answer
   x = 58,593.00