Finding the Fourth Proportional to 37,880,906.34, 56,822,418.17 and 12,321,915.84

Step by Step Solution

1. Step 1: Write the proportion equation
   37,880,906.34 : 56,822,418.17 = 12,321,915.84 : x
2. Step 2: Convert to fraction form
   37,880,906.34/56,822,418.17 = 12,321,915.84/x
3. Step 3: Cross multiply
   37,880,906.34x = 56,822,418.17 × 12,321,915.84
4. Step 4: Simplify right side
   37,880,906.34x = 700,161,054,516,026.88
5. Step 5: Solve for x
   x = 700,161,054,516,026.88/37,880,906.34
6. Step 6: Final answer
   x = 18,483,218.12