Finding the Fourth Proportional to 78,685,151.98, 108,604,973.59 and 53,608,758.47

Step by Step Solution

1. Step 1: Write the proportion equation
   78,685,151.98 : 108,604,973.59 = 53,608,758.47 : x
2. Step 2: Convert to fraction form
   78,685,151.98/108,604,973.59 = 53,608,758.47/x
3. Step 3: Cross multiply
   78,685,151.98x = 108,604,973.59 × 53,608,758.47
4. Step 4: Simplify right side
   78,685,151.98x = 5,822,177,797,964,529
5. Step 5: Solve for x
   x = 5,822,177,797,964,529/78,685,151.98
6. Step 6: Final answer
   x = 73,993,347.56