Finding the Fourth Proportional to 78,474, 108,294.12 and 43,146

Step by Step Solution

1. Step 1: Write the proportion equation
   78,474 : 108,294.12 = 43,146 : x
2. Step 2: Convert to fraction form
   78,474/108,294.12 = 43,146/x
3. Step 3: Cross multiply
   78,474x = 108,294.12 × 43,146
4. Step 4: Simplify right side
   78,474x = 4,672,458,101.52
5. Step 5: Solve for x
   x = 4,672,458,101.52/78,474
6. Step 6: Final answer
   x = 59,541.48