Finding the Fourth Proportional to 12,942,923.34, 19,414,412.64 and 5,261,146.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942,923.34 : 19,414,412.64 = 5,261,146.59 : x
2. Step 2: Convert to fraction form
   12,942,923.34/19,414,412.64 = 5,261,146.59/x
3. Step 3: Cross multiply
   12,942,923.34x = 19,414,412.64 × 5,261,146.59
4. Step 4: Simplify right side
   12,942,923.34x = 102,142,070,857,788.89
5. Step 5: Solve for x
   x = 102,142,070,857,788.89/12,942,923.34
6. Step 6: Final answer
   x = 7,891,731.12