Finding the Fourth Proportional to 12,890,953.92, 17,789,635.56 and 7,010,644.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,890,953.92 : 17,789,635.56 = 7,010,644.02 : x
2. Step 2: Convert to fraction form
   12,890,953.92/17,789,635.56 = 7,010,644.02/x
3. Step 3: Cross multiply
   12,890,953.92x = 17,789,635.56 × 7,010,644.02
4. Step 4: Simplify right side
   12,890,953.92x = 124,716,802,156,693.33
5. Step 5: Solve for x
   x = 124,716,802,156,693.33/12,890,953.92
6. Step 6: Final answer
   x = 9,674,753.55