Finding the Fourth Proportional to 106,988.78, 147,642.71 and 59,241.10

Step by Step Solution

1. Step 1: Write the proportion equation
   106,988.78 : 147,642.71 = 59,241.10 : x
2. Step 2: Convert to fraction form
   106,988.78/147,642.71 = 59,241.10/x
3. Step 3: Cross multiply
   106,988.78x = 147,642.71 × 59,241.10
4. Step 4: Simplify right side
   106,988.78x = 8,746,517,064.59
5. Step 5: Solve for x
   x = 8,746,517,064.59/106,988.78
6. Step 6: Final answer
   x = 81,751.72