Finding the Fourth Proportional to 10,105,330.83, 15,158,116.52 and 2,818,347.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105,330.83 : 15,158,116.52 = 2,818,347.21 : x
2. Step 2: Convert to fraction form
   10,105,330.83/15,158,116.52 = 2,818,347.21/x
3. Step 3: Cross multiply
   10,105,330.83x = 15,158,116.52 × 2,818,347.21
4. Step 4: Simplify right side
   10,105,330.83x = 42,720,835,388,905.17
5. Step 5: Solve for x
   x = 42,720,835,388,905.17/10,105,330.83
6. Step 6: Final answer
   x = 4,227,554.36