Finding the Fourth Proportional to 72,110,422.69, 99,517,265.69 and 40,737,590.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,110,422.69 : 99,517,265.69 = 40,737,590.59 : x
2. Step 2: Convert to fraction form
   72,110,422.69/99,517,265.69 = 40,737,590.59/x
3. Step 3: Cross multiply
   72,110,422.69x = 99,517,265.69 × 40,737,590.59
4. Step 4: Simplify right side
   72,110,422.69x = 4,054,093,626,315,474
5. Step 5: Solve for x
   x = 4,054,093,626,315,474/72,110,422.69
6. Step 6: Final answer
   x = 56,220,633.23