Finding the Fourth Proportional to 6,985,343.63, 10,478,018.28 and 3,142,678.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,985,343.63 : 10,478,018.28 = 3,142,678.52 : x
2. Step 2: Convert to fraction form
   6,985,343.63/10,478,018.28 = 3,142,678.52/x
3. Step 3: Cross multiply
   6,985,343.63x = 10,478,018.28 × 3,142,678.52
4. Step 4: Simplify right side
   6,985,343.63x = 32,929,042,980,723.34
5. Step 5: Solve for x
   x = 32,929,042,980,723.34/6,985,343.63
6. Step 6: Final answer
   x = 4,714,019.06