Finding the Fourth Proportional to 76,505.04, 105,597 and 42,981.84

Step by Step Solution

1. Step 1: Write the proportion equation
   76,505.04 : 105,597 = 42,981.84 : x
2. Step 2: Convert to fraction form
   76,505.04/105,597 = 42,981.84/x
3. Step 3: Cross multiply
   76,505.04x = 105,597 × 42,981.84
4. Step 4: Simplify right side
   76,505.04x = 4,538,753,358.48
5. Step 5: Solve for x
   x = 4,538,753,358.48/76,505.04
6. Step 6: Final answer
   x = 59,326.20