Finding the Fourth Proportional to 157,665.61, 236,357.76 and 57,802.49

Step by Step Solution

1. Step 1: Write the proportion equation
   157,665.61 : 236,357.76 = 57,802.49 : x
2. Step 2: Convert to fraction form
   157,665.61/236,357.76 = 57,802.49/x
3. Step 3: Cross multiply
   157,665.61x = 236,357.76 × 57,802.49
4. Step 4: Simplify right side
   157,665.61x = 13,662,067,058.82
5. Step 5: Solve for x
   x = 13,662,067,058.82/157,665.61
6. Step 6: Final answer
   x = 86,652.17