Finding the Fourth Proportional to 76,245.27, 105,208.50 and 42,252.12

Step by Step Solution

1. Step 1: Write the proportion equation
   76,245.27 : 105,208.50 = 42,252.12 : x
2. Step 2: Convert to fraction form
   76,245.27/105,208.50 = 42,252.12/x
3. Step 3: Cross multiply
   76,245.27x = 105,208.50 × 42,252.12
4. Step 4: Simplify right side
   76,245.27x = 4,445,282,167.02
5. Step 5: Solve for x
   x = 4,445,282,167.02/76,245.27
6. Step 6: Final answer
   x = 58,302.40