Finding the Fourth Proportional to 108,677, 149,974.67 and 63,386.26

Step by Step Solution

1. Step 1: Write the proportion equation
   108,677 : 149,974.67 = 63,386.26 : x
2. Step 2: Convert to fraction form
   108,677/149,974.67 = 63,386.26/x
3. Step 3: Cross multiply
   108,677x = 149,974.67 × 63,386.26
4. Step 4: Simplify right side
   108,677x = 9,506,333,426.03
5. Step 5: Solve for x
   x = 9,506,333,426.03/108,677
6. Step 6: Final answer
   x = 87,473.28