Finding the Fourth Proportional to 231,779.05, 347,814.83 and 98,659.09

Step by Step Solution

1. Step 1: Write the proportion equation
   231,779.05 : 347,814.83 = 98,659.09 : x
2. Step 2: Convert to fraction form
   231,779.05/347,814.83 = 98,659.09/x
3. Step 3: Cross multiply
   231,779.05x = 347,814.83 × 98,659.09
4. Step 4: Simplify right side
   231,779.05x = 34,315,095,297.72
5. Step 5: Solve for x
   x = 34,315,095,297.72/231,779.05
6. Step 6: Final answer
   x = 148,050.89