Finding the Fourth Proportional to 52,055.29, 78,074.83 and 16,987.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,055.29 : 78,074.83 = 16,987.15 : x
2. Step 2: Convert to fraction form
   52,055.29/78,074.83 = 16,987.15/x
3. Step 3: Cross multiply
   52,055.29x = 78,074.83 × 16,987.15
4. Step 4: Simplify right side
   52,055.29x = 1,326,268,848.43
5. Step 5: Solve for x
   x = 1,326,268,848.43/52,055.29
6. Step 6: Final answer
   x = 25,478.08