Finding the Fourth Proportional to 80,649,085.05, 120,974,064.98 and 20,064,811.05

Step by Step Solution

1. Step 1: Write the proportion equation
   80,649,085.05 : 120,974,064.98 = 20,064,811.05 : x
2. Step 2: Convert to fraction form
   80,649,085.05/120,974,064.98 = 20,064,811.05/x
3. Step 3: Cross multiply
   80,649,085.05x = 120,974,064.98 × 20,064,811.05
4. Step 4: Simplify right side
   80,649,085.05x = 2,427,321,755,673,798
5. Step 5: Solve for x
   x = 2,427,321,755,673,798/80,649,085.05
6. Step 6: Final answer
   x = 30,097,325.40