Finding the Fourth Proportional to 114,987.46, 172,473.98 and 42,926.32

Step by Step Solution

1. Step 1: Write the proportion equation
   114,987.46 : 172,473.98 = 42,926.32 : x
2. Step 2: Convert to fraction form
   114,987.46/172,473.98 = 42,926.32/x
3. Step 3: Cross multiply
   114,987.46x = 172,473.98 × 42,926.32
4. Step 4: Simplify right side
   114,987.46x = 7,403,673,257.15
5. Step 5: Solve for x
   x = 7,403,673,257.15/114,987.46
6. Step 6: Final answer
   x = 64,386.79