Finding the Fourth Proportional to 148,336.83, 222,651.43 and 105,689.63

Step by Step Solution

1. Step 1: Write the proportion equation
   148,336.83 : 222,651.43 = 105,689.63 : x
2. Step 2: Convert to fraction form
   148,336.83/222,651.43 = 105,689.63/x
3. Step 3: Cross multiply
   148,336.83x = 222,651.43 × 105,689.63
4. Step 4: Simplify right side
   148,336.83x = 23,531,947,359.82
5. Step 5: Solve for x
   x = 23,531,947,359.82/148,336.83
6. Step 6: Final answer
   x = 158,638.60