Finding the Fourth Proportional to 107,878.77, 148,846.82 and 69,630.22

Step by Step Solution

1. Step 1: Write the proportion equation
   107,878.77 : 148,846.82 = 69,630.22 : x
2. Step 2: Convert to fraction form
   107,878.77/148,846.82 = 69,630.22/x
3. Step 3: Cross multiply
   107,878.77x = 148,846.82 × 69,630.22
4. Step 4: Simplify right side
   107,878.77x = 10,364,235,823.54
5. Step 5: Solve for x
   x = 10,364,235,823.54/107,878.77
6. Step 6: Final answer
   x = 96,072.99