Finding the Fourth Proportional to 74,061.30, 102,204.45 and 40,069.69

Step by Step Solution

1. Step 1: Write the proportion equation
   74,061.30 : 102,204.45 = 40,069.69 : x
2. Step 2: Convert to fraction form
   74,061.30/102,204.45 = 40,069.69/x
3. Step 3: Cross multiply
   74,061.30x = 102,204.45 × 40,069.69
4. Step 4: Simplify right side
   74,061.30x = 4,095,300,372.61
5. Step 5: Solve for x
   x = 4,095,300,372.61/74,061.30
6. Step 6: Final answer
   x = 55,296.09