Finding the Fourth Proportional to 42,316.79, 58,386.83 and 25,313.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,316.79 : 58,386.83 = 25,313.58 : x
2. Step 2: Convert to fraction form
   42,316.79/58,386.83 = 25,313.58/x
3. Step 3: Cross multiply
   42,316.79x = 58,386.83 × 25,313.58
4. Step 4: Simplify right side
   42,316.79x = 1,477,979,565.58
5. Step 5: Solve for x
   x = 1,477,979,565.58/42,316.79
6. Step 6: Final answer
   x = 34,926.56