Finding the Fourth Proportional to 298,783.69, 448,263.32 and 88,427.09

Step by Step Solution

1. Step 1: Write the proportion equation
   298,783.69 : 448,263.32 = 88,427.09 : x
2. Step 2: Convert to fraction form
   298,783.69/448,263.32 = 88,427.09/x
3. Step 3: Cross multiply
   298,783.69x = 448,263.32 × 88,427.09
4. Step 4: Simplify right side
   298,783.69x = 39,638,621,619.86
5. Step 5: Solve for x
   x = 39,638,621,619.86/298,783.69
6. Step 6: Final answer
   x = 132,666.62