Finding the Fourth Proportional to 108,884,131.80, 163,373,436.90 and 55,031,443.80

Step by Step Solution

1. Step 1: Write the proportion equation
   108,884,131.80 : 163,373,436.90 = 55,031,443.80 : x
2. Step 2: Convert to fraction form
   108,884,131.80/163,373,436.90 = 55,031,443.80/x
3. Step 3: Cross multiply
   108,884,131.80x = 163,373,436.90 × 55,031,443.80
4. Step 4: Simplify right side
   108,884,131.80x = 8,990,676,111,175,196
5. Step 5: Solve for x
   x = 8,990,676,111,175,196/108,884,131.80
6. Step 6: Final answer
   x = 82,571,041.00