Finding the Fourth Proportional to 61,013.16, 91,510.34 and 16,643.52

Step by Step Solution

1. Step 1: Write the proportion equation
   61,013.16 : 91,510.34 = 16,643.52 : x
2. Step 2: Convert to fraction form
   61,013.16/91,510.34 = 16,643.52/x
3. Step 3: Cross multiply
   61,013.16x = 91,510.34 × 16,643.52
4. Step 4: Simplify right side
   61,013.16x = 1,523,054,090.78
5. Step 5: Solve for x
   x = 1,523,054,090.78/61,013.16
6. Step 6: Final answer
   x = 24,962.71