Finding the Fourth Proportional to 71,211.60, 98,182.72 and 45,672.96

Step by Step Solution

1. Step 1: Write the proportion equation
   71,211.60 : 98,182.72 = 45,672.96 : x
2. Step 2: Convert to fraction form
   71,211.60/98,182.72 = 45,672.96/x
3. Step 3: Cross multiply
   71,211.60x = 98,182.72 × 45,672.96
4. Step 4: Simplify right side
   71,211.60x = 4,484,295,443.25
5. Step 5: Solve for x
   x = 4,484,295,443.25/71,211.60
6. Step 6: Final answer
   x = 62,971.42