Finding the Fourth Proportional to 22,282,743.72, 30,748,646.72 and 12,358,689.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,282,743.72 : 30,748,646.72 = 12,358,689.96 : x
2. Step 2: Convert to fraction form
   22,282,743.72/30,748,646.72 = 12,358,689.96/x
3. Step 3: Cross multiply
   22,282,743.72x = 30,748,646.72 × 12,358,689.96
4. Step 4: Simplify right side
   22,282,743.72x = 380,012,991,502,050.94
5. Step 5: Solve for x
   x = 380,012,991,502,050.94/22,282,743.72
6. Step 6: Final answer
   x = 17,054,138.23