Finding the Fourth Proportional to 42,534.50, 63,796.89 and 11,372.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,534.50 : 63,796.89 = 11,372.18 : x
2. Step 2: Convert to fraction form
   42,534.50/63,796.89 = 11,372.18/x
3. Step 3: Cross multiply
   42,534.50x = 63,796.89 × 11,372.18
4. Step 4: Simplify right side
   42,534.50x = 725,509,716.52
5. Step 5: Solve for x
   x = 725,509,716.52/42,534.50
6. Step 6: Final answer
   x = 17,056.97