Finding the Fourth Proportional to 2,124,380.72, 2,931,645.82 and 1,157,511.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,380.72 : 2,931,645.82 = 1,157,511.01 : x
2. Step 2: Convert to fraction form
   2,124,380.72/2,931,645.82 = 1,157,511.01/x
3. Step 3: Cross multiply
   2,124,380.72x = 2,931,645.82 × 1,157,511.01
4. Step 4: Simplify right side
   2,124,380.72x = 3,393,412,320,627.28
5. Step 5: Solve for x
   x = 3,393,412,320,627.28/2,124,380.72
6. Step 6: Final answer
   x = 1,597,365.43