Finding the Fourth Proportional to 2,123,992.56, 2,931,075.60 and 1,157,134.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,992.56 : 2,931,075.60 = 1,157,134.56 : x
2. Step 2: Convert to fraction form
   2,123,992.56/2,931,075.60 = 1,157,134.56/x
3. Step 3: Cross multiply
   2,123,992.56x = 2,931,075.60 × 1,157,134.56
4. Step 4: Simplify right side
   2,123,992.56x = 3,391,648,874,732.74
5. Step 5: Solve for x
   x = 3,391,648,874,732.74/2,123,992.56
6. Step 6: Final answer
   x = 1,596,827.10