Finding the Fourth Proportional to 11,338,719.81, 17,008,142.00 and 2,819,056.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,338,719.81 : 17,008,142.00 = 2,819,056.28 : x
2. Step 2: Convert to fraction form
   11,338,719.81/17,008,142.00 = 2,819,056.28/x
3. Step 3: Cross multiply
   11,338,719.81x = 17,008,142.00 × 2,819,056.28
4. Step 4: Simplify right side
   11,338,719.81x = 47,946,909,427,667.23
5. Step 5: Solve for x
   x = 47,946,909,427,667.23/11,338,719.81
6. Step 6: Final answer
   x = 4,228,599.90