Finding the Fourth Proportional to 56,756,701.82, 78,324,245.49 and 30,651,217.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,756,701.82 : 78,324,245.49 = 30,651,217.12 : x
2. Step 2: Convert to fraction form
   56,756,701.82/78,324,245.49 = 30,651,217.12/x
3. Step 3: Cross multiply
   56,756,701.82x = 78,324,245.49 × 30,651,217.12
4. Step 4: Simplify right side
   56,756,701.82x = 2,400,733,454,487,018.50
5. Step 5: Solve for x
   x = 2,400,733,454,487,018.50/56,756,701.82
6. Step 6: Final answer
   x = 42,298,678.00