Finding the Fourth Proportional to 5,172,124.96, 7,137,531.94 and 2,997,929.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,172,124.96 : 7,137,531.94 = 2,997,929.25 : x
2. Step 2: Convert to fraction form
   5,172,124.96/7,137,531.94 = 2,997,929.25/x
3. Step 3: Cross multiply
   5,172,124.96x = 7,137,531.94 × 2,997,929.25
4. Step 4: Simplify right side
   5,172,124.96x = 21,397,815,758,002.32
5. Step 5: Solve for x
   x = 21,397,815,758,002.32/5,172,124.96
6. Step 6: Final answer
   x = 4,137,142.07