Finding the Fourth Proportional to 49,076,891.60, 67,722,128.06 and 28,451,666.38

Step by Step Solution

1. Step 1: Write the proportion equation
   49,076,891.60 : 67,722,128.06 = 28,451,666.38 : x
2. Step 2: Convert to fraction form
   49,076,891.60/67,722,128.06 = 28,451,666.38/x
3. Step 3: Cross multiply
   49,076,891.60x = 67,722,128.06 × 28,451,666.38
4. Step 4: Simplify right side
   49,076,891.60x = 1,926,807,394,106,756.50
5. Step 5: Solve for x
   x = 1,926,807,394,106,756.50/49,076,891.60
6. Step 6: Final answer
   x = 39,260,990.89