Finding the Fourth Proportional to 17,533.61, 24,194.31 and 9,978.95

Step by Step Solution

1. Step 1: Write the proportion equation
   17,533.61 : 24,194.31 = 9,978.95 : x
2. Step 2: Convert to fraction form
   17,533.61/24,194.31 = 9,978.95/x
3. Step 3: Cross multiply
   17,533.61x = 24,194.31 × 9,978.95
4. Step 4: Simplify right side
   17,533.61x = 241,433,809.77
5. Step 5: Solve for x
   x = 241,433,809.77/17,533.61
6. Step 6: Final answer
   x = 13,769.77