Finding the Fourth Proportional to 23,990,790.72, 33,108,117.12 and 13,125,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,990,790.72 : 33,108,117.12 = 13,125,774.72 : x
2. Step 2: Convert to fraction form
   23,990,790.72/33,108,117.12 = 13,125,774.72/x
3. Step 3: Cross multiply
   23,990,790.72x = 33,108,117.12 × 13,125,774.72
4. Step 4: Simplify right side
   23,990,790.72x = 434,569,686,720,495.25
5. Step 5: Solve for x
   x = 434,569,686,720,495.25/23,990,790.72
6. Step 6: Final answer
   x = 18,114,020.99