Finding the Fourth Proportional to 98,199.92, 147,162.60 and 53,123.98

Step by Step Solution

1. Step 1: Write the proportion equation
   98,199.92 : 147,162.60 = 53,123.98 : x
2. Step 2: Convert to fraction form
   98,199.92/147,162.60 = 53,123.98/x
3. Step 3: Cross multiply
   98,199.92x = 147,162.60 × 53,123.98
4. Step 4: Simplify right side
   98,199.92x = 7,817,863,019.15
5. Step 5: Solve for x
   x = 7,817,863,019.15/98,199.92
6. Step 6: Final answer
   x = 79,611.70