Finding the Fourth Proportional to 169,098.96, 253,667.88 and 98,978.88

Step by Step Solution

1. Step 1: Write the proportion equation
   169,098.96 : 253,667.88 = 98,978.88 : x
2. Step 2: Convert to fraction form
   169,098.96/253,667.88 = 98,978.88/x
3. Step 3: Cross multiply
   169,098.96x = 253,667.88 × 98,978.88
4. Step 4: Simplify right side
   169,098.96x = 25,107,762,654.37
5. Step 5: Solve for x
   x = 25,107,762,654.37/169,098.96
6. Step 6: Final answer
   x = 148,479.70