Finding the Fourth Proportional to 10,978.55, 16,553.93 and 10,060.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.55 : 16,553.93 = 10,060.01 : x
2. Step 2: Convert to fraction form
   10,978.55/16,553.93 = 10,060.01/x
3. Step 3: Cross multiply
   10,978.55x = 16,553.93 × 10,060.01
4. Step 4: Simplify right side
   10,978.55x = 166,532,643.72
5. Step 5: Solve for x
   x = 166,532,643.72/10,978.55
6. Step 6: Final answer
   x = 15,168.92