Finding the Fourth Proportional to 3,991,499.34, 5,508,274.52 and 2,272,620.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,991,499.34 : 5,508,274.52 = 2,272,620.62 : x
2. Step 2: Convert to fraction form
   3,991,499.34/5,508,274.52 = 2,272,620.62/x
3. Step 3: Cross multiply
   3,991,499.34x = 5,508,274.52 × 2,272,620.62
4. Step 4: Simplify right side
   3,991,499.34x = 12,518,218,254,772.60
5. Step 5: Solve for x
   x = 12,518,218,254,772.60/3,991,499.34
6. Step 6: Final answer
   x = 3,136,219.55