Finding the Fourth Proportional to 70,472.50, 97,185.98 and 56,179.73

Step by Step Solution

1. Step 1: Write the proportion equation
   70,472.50 : 97,185.98 = 56,179.73 : x
2. Step 2: Convert to fraction form
   70,472.50/97,185.98 = 56,179.73/x
3. Step 3: Cross multiply
   70,472.50x = 97,185.98 × 56,179.73
4. Step 4: Simplify right side
   70,472.50x = 5,459,882,499.60
5. Step 5: Solve for x
   x = 5,459,882,499.60/70,472.50
6. Step 6: Final answer
   x = 77,475.37