Finding the Fourth Proportional to 49,830.30, 68,748.55 and 31,935.16

Step by Step Solution

1. Step 1: Write the proportion equation
   49,830.30 : 68,748.55 = 31,935.16 : x
2. Step 2: Convert to fraction form
   49,830.30/68,748.55 = 31,935.16/x
3. Step 3: Cross multiply
   49,830.30x = 68,748.55 × 31,935.16
4. Step 4: Simplify right side
   49,830.30x = 2,195,495,944.02
5. Step 5: Solve for x
   x = 2,195,495,944.02/49,830.30
6. Step 6: Final answer
   x = 44,059.46