Finding the Fourth Proportional to 71,162.72, 98,190.60 and 42,869.96

Step by Step Solution

1. Step 1: Write the proportion equation
   71,162.72 : 98,190.60 = 42,869.96 : x
2. Step 2: Convert to fraction form
   71,162.72/98,190.60 = 42,869.96/x
3. Step 3: Cross multiply
   71,162.72x = 98,190.60 × 42,869.96
4. Step 4: Simplify right side
   71,162.72x = 4,209,427,094.38
5. Step 5: Solve for x
   x = 4,209,427,094.38/71,162.72
6. Step 6: Final answer
   x = 59,152.14