Finding the Fourth Proportional to 42,098,205.75, 63,147,311.06 and 10,185,501.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,098,205.75 : 63,147,311.06 = 10,185,501.75 : x
2. Step 2: Convert to fraction form
   42,098,205.75/63,147,311.06 = 10,185,501.75/x
3. Step 3: Cross multiply
   42,098,205.75x = 63,147,311.06 × 10,185,501.75
4. Step 4: Simplify right side
   42,098,205.75x = 643,187,047,258,496.88
5. Step 5: Solve for x
   x = 643,187,047,258,496.88/42,098,205.75
6. Step 6: Final answer
   x = 15,278,253.21