Finding the Fourth Proportional to 11,439,021.53, 17,158,518.50 and 2,919,358.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,439,021.53 : 17,158,518.50 = 2,919,358.91 : x
2. Step 2: Convert to fraction form
   11,439,021.53/17,158,518.50 = 2,919,358.91/x
3. Step 3: Cross multiply
   11,439,021.53x = 17,158,518.50 × 2,919,358.91
4. Step 4: Simplify right side
   11,439,021.53x = 50,091,873,764,985.45
5. Step 5: Solve for x
   x = 50,091,873,764,985.45/11,439,021.53
6. Step 6: Final answer
   x = 4,379,034.84