Finding the Fourth Proportional to 42,837,468.57, 59,164,379.64 and 28,874,742.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,837,468.57 : 59,164,379.64 = 28,874,742.03 : x
2. Step 2: Convert to fraction form
   42,837,468.57/59,164,379.64 = 28,874,742.03/x
3. Step 3: Cross multiply
   42,837,468.57x = 59,164,379.64 × 28,874,742.03
4. Step 4: Simplify right side
   42,837,468.57x = 1,708,356,199,469,984.25
5. Step 5: Solve for x
   x = 1,708,356,199,469,984.25/42,837,468.57
6. Step 6: Final answer
   x = 39,879,952.21