Finding the Fourth Proportional to 12,516,216.72, 18,782,222.58 and 5,327,738.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,516,216.72 : 18,782,222.58 = 5,327,738.88 : x
2. Step 2: Convert to fraction form
   12,516,216.72/18,782,222.58 = 5,327,738.88/x
3. Step 3: Cross multiply
   12,516,216.72x = 18,782,222.58 × 5,327,738.88
4. Step 4: Simplify right side
   12,516,216.72x = 100,066,777,492,279.91
5. Step 5: Solve for x
   x = 100,066,777,492,279.91/12,516,216.72
6. Step 6: Final answer
   x = 7,994,970.02