Finding the Fourth Proportional to 76,384.67, 105,411.78 and 42,393.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,384.67 : 105,411.78 = 42,393.83 : x
2. Step 2: Convert to fraction form
   76,384.67/105,411.78 = 42,393.83/x
3. Step 3: Cross multiply
   76,384.67x = 105,411.78 × 42,393.83
4. Step 4: Simplify right side
   76,384.67x = 4,468,808,554.26
5. Step 5: Solve for x
   x = 4,468,808,554.26/76,384.67
6. Step 6: Final answer
   x = 58,504.00