Finding the Fourth Proportional to 42,015.95, 57,981.72 and 23,153.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,015.95 : 57,981.72 = 23,153.07 : x
2. Step 2: Convert to fraction form
   42,015.95/57,981.72 = 23,153.07/x
3. Step 3: Cross multiply
   42,015.95x = 57,981.72 × 23,153.07
4. Step 4: Simplify right side
   42,015.95x = 1,342,455,126.14
5. Step 5: Solve for x
   x = 1,342,455,126.14/42,015.95
6. Step 6: Final answer
   x = 31,951.08