Finding the Fourth Proportional to 42,087.12, 63,091.80 and 34,233.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,087.12 : 63,091.80 = 34,233.36 : x
2. Step 2: Convert to fraction form
   42,087.12/63,091.80 = 34,233.36/x
3. Step 3: Cross multiply
   42,087.12x = 63,091.80 × 34,233.36
4. Step 4: Simplify right side
   42,087.12x = 2,159,844,302.45
5. Step 5: Solve for x
   x = 2,159,844,302.45/42,087.12
6. Step 6: Final answer
   x = 51,318.42