Finding the Fourth Proportional to 42,898.58, 64,339.98 and 11,733.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,898.58 : 64,339.98 = 11,733.56 : x
2. Step 2: Convert to fraction form
   42,898.58/64,339.98 = 11,733.56/x
3. Step 3: Cross multiply
   42,898.58x = 64,339.98 × 11,733.56
4. Step 4: Simplify right side
   42,898.58x = 754,937,015.73
5. Step 5: Solve for x
   x = 754,937,015.73/42,898.58
6. Step 6: Final answer
   x = 17,598.18