Finding the Fourth Proportional to 22,429,817.58, 30,954,969.72 and 12,640,924.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,429,817.58 : 30,954,969.72 = 12,640,924.74 : x
2. Step 2: Convert to fraction form
   22,429,817.58/30,954,969.72 = 12,640,924.74/x
3. Step 3: Cross multiply
   22,429,817.58x = 30,954,969.72 × 12,640,924.74
4. Step 4: Simplify right side
   22,429,817.58x = 391,299,442,559,498.88
5. Step 5: Solve for x
   x = 391,299,442,559,498.88/22,429,817.58
6. Step 6: Final answer
   x = 17,445,502.67