Finding the Fourth Proportional to 74,066.04, 102,211.20 and 42,234.12

Step by Step Solution

1. Step 1: Write the proportion equation
   74,066.04 : 102,211.20 = 42,234.12 : x
2. Step 2: Convert to fraction form
   74,066.04/102,211.20 = 42,234.12/x
3. Step 3: Cross multiply
   74,066.04x = 102,211.20 × 42,234.12
4. Step 4: Simplify right side
   74,066.04x = 4,316,800,086.14
5. Step 5: Solve for x
   x = 4,316,800,086.14/74,066.04
6. Step 6: Final answer
   x = 58,283.12