Finding the Fourth Proportional to 22,290,728.09, 30,761,427.59 and 12,500,962.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,290,728.09 : 30,761,427.59 = 12,500,962.09 : x
2. Step 2: Convert to fraction form
   22,290,728.09/30,761,427.59 = 12,500,962.09/x
3. Step 3: Cross multiply
   22,290,728.09x = 30,761,427.59 × 12,500,962.09
4. Step 4: Simplify right side
   22,290,728.09x = 384,547,440,095,688.75
5. Step 5: Solve for x
   x = 384,547,440,095,688.75/22,290,728.09
6. Step 6: Final answer
   x = 17,251,452.65