Finding the Fourth Proportional to 157,530.83, 236,225.16 and 45,185.55

Step by Step Solution

1. Step 1: Write the proportion equation
   157,530.83 : 236,225.16 = 45,185.55 : x
2. Step 2: Convert to fraction form
   157,530.83/236,225.16 = 45,185.55/x
3. Step 3: Cross multiply
   157,530.83x = 236,225.16 × 45,185.55
4. Step 4: Simplify right side
   157,530.83x = 10,673,962,892.59
5. Step 5: Solve for x
   x = 10,673,962,892.59/157,530.83
6. Step 6: Final answer
   x = 67,757.93