Finding the Fourth Proportional to 320,717,057.31, 442,589,540.00 and 174,039,341.31

Step by Step Solution

1. Step 1: Write the proportion equation
   320,717,057.31 : 442,589,540.00 = 174,039,341.31 : x
2. Step 2: Convert to fraction form
   320,717,057.31/442,589,540.00 = 174,039,341.31/x
3. Step 3: Cross multiply
   320,717,057.31x = 442,589,540.00 × 174,039,341.31
4. Step 4: Simplify right side
   320,717,057.31x = 77,027,992,011,425,696
5. Step 5: Solve for x
   x = 77,027,992,011,425,696/320,717,057.31
6. Step 6: Final answer
   x = 240,174,291.50