Finding the Fourth Proportional to 6,997,714.10, 9,656,499.18 and 3,900,492.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,997,714.10 : 9,656,499.18 = 3,900,492.56 : x
2. Step 2: Convert to fraction form
   6,997,714.10/9,656,499.18 = 3,900,492.56/x
3. Step 3: Cross multiply
   6,997,714.10x = 9,656,499.18 × 3,900,492.56
4. Step 4: Simplify right side
   6,997,714.10x = 37,665,103,158,953.60
5. Step 5: Solve for x
   x = 37,665,103,158,953.60/6,997,714.10
6. Step 6: Final answer
   x = 5,382,486.72