Finding the Fourth Proportional to 238,238.72, 357,362.96 and 97,979.12

Step by Step Solution

1. Step 1: Write the proportion equation
   238,238.72 : 357,362.96 = 97,979.12 : x
2. Step 2: Convert to fraction form
   238,238.72/357,362.96 = 97,979.12/x
3. Step 3: Cross multiply
   238,238.72x = 357,362.96 × 97,979.12
4. Step 4: Simplify right side
   238,238.72x = 35,014,108,341.40
5. Step 5: Solve for x
   x = 35,014,108,341.40/238,238.72
6. Step 6: Final answer
   x = 146,970.69