Finding the Fourth Proportional to 72,608,978.80, 108,910,843.80 and 29,476,964.80

Step by Step Solution

1. Step 1: Write the proportion equation
   72,608,978.80 : 108,910,843.80 = 29,476,964.80 : x
2. Step 2: Convert to fraction form
   72,608,978.80/108,910,843.80 = 29,476,964.80/x
3. Step 3: Cross multiply
   72,608,978.80x = 108,910,843.80 × 29,476,964.80
4. Step 4: Simplify right side
   72,608,978.80x = 3,210,361,109,030,898
5. Step 5: Solve for x
   x = 3,210,361,109,030,898/72,608,978.80
6. Step 6: Final answer
   x = 44,214,381.78