Finding the Fourth Proportional to 76,298.04, 105,290.82 and 42,764.04

Step by Step Solution

1. Step 1: Write the proportion equation
   76,298.04 : 105,290.82 = 42,764.04 : x
2. Step 2: Convert to fraction form
   76,298.04/105,290.82 = 42,764.04/x
3. Step 3: Cross multiply
   76,298.04x = 105,290.82 × 42,764.04
4. Step 4: Simplify right side
   76,298.04x = 4,502,660,838.11
5. Step 5: Solve for x
   x = 4,502,660,838.11/76,298.04
6. Step 6: Final answer
   x = 59,014.11