Finding the Fourth Proportional to 74,064.32, 102,206.24 and 42,243.52

Step by Step Solution

1. Step 1: Write the proportion equation
   74,064.32 : 102,206.24 = 42,243.52 : x
2. Step 2: Convert to fraction form
   74,064.32/102,206.24 = 42,243.52/x
3. Step 3: Cross multiply
   74,064.32x = 102,206.24 × 42,243.52
4. Step 4: Simplify right side
   74,064.32x = 4,317,551,343.56
5. Step 5: Solve for x
   x = 4,317,551,343.56/74,064.32
6. Step 6: Final answer
   x = 58,294.62