Finding the Fourth Proportional to 13,026.77, 19,539.98 and 3,166.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.77 : 19,539.98 = 3,166.02 : x
2. Step 2: Convert to fraction form
   13,026.77/19,539.98 = 3,166.02/x
3. Step 3: Cross multiply
   13,026.77x = 19,539.98 × 3,166.02
4. Step 4: Simplify right side
   13,026.77x = 61,863,967.48
5. Step 5: Solve for x
   x = 61,863,967.48/13,026.77
6. Step 6: Final answer
   x = 4,748.99