Finding the Fourth Proportional to 112,308.32, 168,468.96 and 42,188.24

Step by Step Solution

1. Step 1: Write the proportion equation
   112,308.32 : 168,468.96 = 42,188.24 : x
2. Step 2: Convert to fraction form
   112,308.32/168,468.96 = 42,188.24/x
3. Step 3: Cross multiply
   112,308.32x = 168,468.96 × 42,188.24
4. Step 4: Simplify right side
   112,308.32x = 7,107,409,496.41
5. Step 5: Solve for x
   x = 7,107,409,496.41/112,308.32
6. Step 6: Final answer
   x = 63,284.80