Finding the Fourth Proportional to 654,071.01, 981,247.98 and 198,624.83

Step by Step Solution

1. Step 1: Write the proportion equation
   654,071.01 : 981,247.98 = 198,624.83 : x
2. Step 2: Convert to fraction form
   654,071.01/981,247.98 = 198,624.83/x
3. Step 3: Cross multiply
   654,071.01x = 981,247.98 × 198,624.83
4. Step 4: Simplify right side
   654,071.01x = 194,900,208,309.10
5. Step 5: Solve for x
   x = 194,900,208,309.10/654,071.01
6. Step 6: Final answer
   x = 297,980.20