Finding the Fourth Proportional to 42,837,712.96, 59,164,716.84 and 28,874,986.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,837,712.96 : 59,164,716.84 = 28,874,986.42 : x
2. Step 2: Convert to fraction form
   42,837,712.96/59,164,716.84 = 28,874,986.42/x
3. Step 3: Cross multiply
   42,837,712.96x = 59,164,716.84 × 28,874,986.42
4. Step 4: Simplify right side
   42,837,712.96x = 1,708,380,395,298,145.50
5. Step 5: Solve for x
   x = 1,708,380,395,298,145.50/42,837,712.96
6. Step 6: Final answer
   x = 39,880,289.52