Finding the Fourth Proportional to 78,709,271.58, 108,653,628.71 and 50,845,570.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,709,271.58 : 108,653,628.71 = 50,845,570.83 : x
2. Step 2: Convert to fraction form
   78,709,271.58/108,653,628.71 = 50,845,570.83/x
3. Step 3: Cross multiply
   78,709,271.58x = 108,653,628.71 × 50,845,570.83
4. Step 4: Simplify right side
   78,709,271.58x = 5,524,555,774,510,826
5. Step 5: Solve for x
   x = 5,524,555,774,510,826/78,709,271.58
6. Step 6: Final answer
   x = 70,189,390.19