Finding the Fourth Proportional to 49,499.56, 74,234.76 and 38,418.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,499.56 : 74,234.76 = 38,418.76 : x
2. Step 2: Convert to fraction form
   49,499.56/74,234.76 = 38,418.76/x
3. Step 3: Cross multiply
   49,499.56x = 74,234.76 × 38,418.76
4. Step 4: Simplify right side
   49,499.56x = 2,852,007,428.10
5. Step 5: Solve for x
   x = 2,852,007,428.10/49,499.56
6. Step 6: Final answer
   x = 57,616.82