Finding the Fourth Proportional to 78,804,538.55, 118,206,807.83 and 48,571,450.55

Step by Step Solution

1. Step 1: Write the proportion equation
   78,804,538.55 : 118,206,807.83 = 48,571,450.55 : x
2. Step 2: Convert to fraction form
   78,804,538.55/118,206,807.83 = 48,571,450.55/x
3. Step 3: Cross multiply
   78,804,538.55x = 118,206,807.83 × 48,571,450.55
4. Step 4: Simplify right side
   78,804,538.55x = 5,741,476,120,945,340
5. Step 5: Solve for x
   x = 5,741,476,120,945,340/78,804,538.55
6. Step 6: Final answer
   x = 72,857,175.83