Finding the Fourth Proportional to 231,779.55, 347,815.59 and 98,659.59

Step by Step Solution

1. Step 1: Write the proportion equation
   231,779.55 : 347,815.59 = 98,659.59 : x
2. Step 2: Convert to fraction form
   231,779.55/347,815.59 = 98,659.59/x
3. Step 3: Cross multiply
   231,779.55x = 347,815.59 × 98,659.59
4. Step 4: Simplify right side
   231,779.55x = 34,315,343,011.71
5. Step 5: Solve for x
   x = 34,315,343,011.71/231,779.55
6. Step 6: Final answer
   x = 148,051.64