Finding the Fourth Proportional to 105,417.02, 158,177.48 and 49,261

Step by Step Solution

1. Step 1: Write the proportion equation
   105,417.02 : 158,177.48 = 49,261 : x
2. Step 2: Convert to fraction form
   105,417.02/158,177.48 = 49,261/x
3. Step 3: Cross multiply
   105,417.02x = 158,177.48 × 49,261
4. Step 4: Simplify right side
   105,417.02x = 7,791,980,842.28
5. Step 5: Solve for x
   x = 7,791,980,842.28/105,417.02
6. Step 6: Final answer
   x = 73,915.78