Finding the Fourth Proportional to 123,802.30, 185,743.32 and 56,358.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,802.30 : 185,743.32 = 56,358.48 : x
2. Step 2: Convert to fraction form
   123,802.30/185,743.32 = 56,358.48/x
3. Step 3: Cross multiply
   123,802.30x = 185,743.32 × 56,358.48
4. Step 4: Simplify right side
   123,802.30x = 10,468,211,185.35
5. Step 5: Solve for x
   x = 10,468,211,185.35/123,802.30
6. Step 6: Final answer
   x = 84,555.87