Finding the Fourth Proportional to 78,171,379.87, 117,180,818.69 and 37,219,815.80

Step by Step Solution

1. Step 1: Write the proportion equation
   78,171,379.87 : 117,180,818.69 = 37,219,815.80 : x
2. Step 2: Convert to fraction form
   78,171,379.87/117,180,818.69 = 37,219,815.80/x
3. Step 3: Cross multiply
   78,171,379.87x = 117,180,818.69 × 37,219,815.80
4. Step 4: Simplify right side
   78,171,379.87x = 4,361,448,487,041,850.50
5. Step 5: Solve for x
   x = 4,361,448,487,041,850.50/78,171,379.87
6. Step 6: Final answer
   x = 55,793,418.18