Finding the Fourth Proportional to 112,419.63, 155,066.54 and 67,062.60

Step by Step Solution

1. Step 1: Write the proportion equation
   112,419.63 : 155,066.54 = 67,062.60 : x
2. Step 2: Convert to fraction form
   112,419.63/155,066.54 = 67,062.60/x
3. Step 3: Cross multiply
   112,419.63x = 155,066.54 × 67,062.60
4. Step 4: Simplify right side
   112,419.63x = 10,399,165,010.09
5. Step 5: Solve for x
   x = 10,399,165,010.09/112,419.63
6. Step 6: Final answer
   x = 92,503.11