Finding the Fourth Proportional to 12,861,155.58, 17,747,419.59 and 7,059,015.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,155.58 : 17,747,419.59 = 7,059,015.42 : x
2. Step 2: Convert to fraction form
   12,861,155.58/17,747,419.59 = 7,059,015.42/x
3. Step 3: Cross multiply
   12,861,155.58x = 17,747,419.59 × 7,059,015.42
4. Step 4: Simplify right side
   12,861,155.58x = 125,279,308,551,020.08
5. Step 5: Solve for x
   x = 125,279,308,551,020.08/12,861,155.58
6. Step 6: Final answer
   x = 9,740,906.08