Finding the Fourth Proportional to 12,975,123.63, 19,462,704.38 and 5,298,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,975,123.63 : 19,462,704.38 = 5,298,768.56 : x
2. Step 2: Convert to fraction form
   12,975,123.63/19,462,704.38 = 5,298,768.56/x
3. Step 3: Cross multiply
   12,975,123.63x = 19,462,704.38 × 5,298,768.56
4. Step 4: Simplify right side
   12,975,123.63x = 103,128,366,061,318.28
5. Step 5: Solve for x
   x = 103,128,366,061,318.28/12,975,123.63
6. Step 6: Final answer
   x = 7,948,160.57