Finding the Fourth Proportional to 12,402,855.94, 17,112,094.41 and 7,242,494.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402,855.94 : 17,112,094.41 = 7,242,494.98 : x
2. Step 2: Convert to fraction form
   12,402,855.94/17,112,094.41 = 7,242,494.98/x
3. Step 3: Cross multiply
   12,402,855.94x = 17,112,094.41 × 7,242,494.98
4. Step 4: Simplify right side
   12,402,855.94x = 123,934,257,861,711.08
5. Step 5: Solve for x
   x = 123,934,257,861,711.08/12,402,855.94
6. Step 6: Final answer
   x = 9,992,396.79