Finding the Fourth Proportional to 112,447.98, 168,696.28 and 42,327.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,447.98 : 168,696.28 = 42,327.10 : x
2. Step 2: Convert to fraction form
   112,447.98/168,696.28 = 42,327.10/x
3. Step 3: Cross multiply
   112,447.98x = 168,696.28 × 42,327.10
4. Step 4: Simplify right side
   112,447.98x = 7,140,424,313.19
5. Step 5: Solve for x
   x = 7,140,424,313.19/112,447.98
6. Step 6: Final answer
   x = 63,499.80