Finding the Fourth Proportional to 98,900, 147,807.03 and 72,301.98

Step by Step Solution

1. Step 1: Write the proportion equation
   98,900 : 147,807.03 = 72,301.98 : x
2. Step 2: Convert to fraction form
   98,900/147,807.03 = 72,301.98/x
3. Step 3: Cross multiply
   98,900x = 147,807.03 × 72,301.98
4. Step 4: Simplify right side
   98,900x = 10,686,740,926.92
5. Step 5: Solve for x
   x = 10,686,740,926.92/98,900
6. Step 6: Final answer
   x = 108,056.03