Finding the Fourth Proportional to 76,233.50, 105,202.23 and 42,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,233.50 : 105,202.23 = 42,699.50 : x
2. Step 2: Convert to fraction form
   76,233.50/105,202.23 = 42,699.50/x
3. Step 3: Cross multiply
   76,233.50x = 105,202.23 × 42,699.50
4. Step 4: Simplify right side
   76,233.50x = 4,492,082,619.89
5. Step 5: Solve for x
   x = 4,492,082,619.89/76,233.50
6. Step 6: Final answer
   x = 58,925.31