Finding the Fourth Proportional to 22,016,071.57, 30,378,532.99 and 12,724,506.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016,071.57 : 30,378,532.99 = 12,724,506.26 : x
2. Step 2: Convert to fraction form
   22,016,071.57/30,378,532.99 = 12,724,506.26/x
3. Step 3: Cross multiply
   22,016,071.57x = 30,378,532.99 × 12,724,506.26
4. Step 4: Simplify right side
   22,016,071.57x = 386,551,833,200,871.50
5. Step 5: Solve for x
   x = 386,551,833,200,871.50/22,016,071.57
6. Step 6: Final answer
   x = 17,557,711.51