Finding the Fourth Proportional to 69,291.49, 103,677.72 and 49,347.07

Step by Step Solution

1. Step 1: Write the proportion equation
   69,291.49 : 103,677.72 = 49,347.07 : x
2. Step 2: Convert to fraction form
   69,291.49/103,677.72 = 49,347.07/x
3. Step 3: Cross multiply
   69,291.49x = 103,677.72 × 49,347.07
4. Step 4: Simplify right side
   69,291.49x = 5,116,191,706.28
5. Step 5: Solve for x
   x = 5,116,191,706.28/69,291.49
6. Step 6: Final answer
   x = 73,835.79