Finding the Fourth Proportional to 12,698,268.79, 17,523,312.89 and 7,471,615.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698,268.79 : 17,523,312.89 = 7,471,615.49 : x
2. Step 2: Convert to fraction form
   12,698,268.79/17,523,312.89 = 7,471,615.49/x
3. Step 3: Cross multiply
   12,698,268.79x = 17,523,312.89 × 7,471,615.49
4. Step 4: Simplify right side
   12,698,268.79x = 130,927,455,942,093.88
5. Step 5: Solve for x
   x = 130,927,455,942,093.88/12,698,268.79
6. Step 6: Final answer
   x = 10,310,654.00