Finding the Fourth Proportional to 2,199,123.15, 3,298,684.73 and 2,199,123.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,123.15 : 3,298,684.73 = 2,199,123.15 : x
2. Step 2: Convert to fraction form
   2,199,123.15/3,298,684.73 = 2,199,123.15/x
3. Step 3: Cross multiply
   2,199,123.15x = 3,298,684.73 × 2,199,123.15
4. Step 4: Simplify right side
   2,199,123.15x = 7,254,213,943,298.88
5. Step 5: Solve for x
   x = 7,254,213,943,298.88/2,199,123.15
6. Step 6: Final answer
   x = 3,298,684.73