Finding the Fourth Proportional to 22,068,154.43, 30,453,575.91 and 12,776,116.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,068,154.43 : 30,453,575.91 = 12,776,116.31 : x
2. Step 2: Convert to fraction form
   22,068,154.43/30,453,575.91 = 12,776,116.31/x
3. Step 3: Cross multiply
   22,068,154.43x = 30,453,575.91 × 12,776,116.31
4. Step 4: Simplify right side
   22,068,154.43x = 389,078,427,881,574.12
5. Step 5: Solve for x
   x = 389,078,427,881,574.12/22,068,154.43
6. Step 6: Final answer
   x = 17,630,764.24