Finding the Fourth Proportional to 74,022.30, 102,150.86 and 42,192.95

Step by Step Solution

1. Step 1: Write the proportion equation
   74,022.30 : 102,150.86 = 42,192.95 : x
2. Step 2: Convert to fraction form
   74,022.30/102,150.86 = 42,192.95/x
3. Step 3: Cross multiply
   74,022.30x = 102,150.86 × 42,192.95
4. Step 4: Simplify right side
   74,022.30x = 4,310,045,406.72
5. Step 5: Solve for x
   x = 4,310,045,406.72/74,022.30
6. Step 6: Final answer
   x = 58,226.31