Finding the Fourth Proportional to 42,321.32, 58,363.12 and 25,322.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,321.32 : 58,363.12 = 25,322.88 : x
2. Step 2: Convert to fraction form
   42,321.32/58,363.12 = 25,322.88/x
3. Step 3: Cross multiply
   42,321.32x = 58,363.12 × 25,322.88
4. Step 4: Simplify right side
   42,321.32x = 1,477,922,284.19
5. Step 5: Solve for x
   x = 1,477,922,284.19/42,321.32
6. Step 6: Final answer
   x = 34,921.46