Finding the Fourth Proportional to 12,919,892.57, 17,829,855.50 and 7,414,274.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,919,892.57 : 17,829,855.50 = 7,414,274.51 : x
2. Step 2: Convert to fraction form
   12,919,892.57/17,829,855.50 = 7,414,274.51/x
3. Step 3: Cross multiply
   12,919,892.57x = 17,829,855.50 × 7,414,274.51
4. Step 4: Simplify right side
   12,919,892.57x = 132,195,443,024,412.66
5. Step 5: Solve for x
   x = 132,195,443,024,412.66/12,919,892.57
6. Step 6: Final answer
   x = 10,231,930.52