Finding the Fourth Proportional to 2,126.03, 2,929.28 and 1,858.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.03 : 2,929.28 = 1,858.46 : x
2. Step 2: Convert to fraction form
   2,126.03/2,929.28 = 1,858.46/x
3. Step 3: Cross multiply
   2,126.03x = 2,929.28 × 1,858.46
4. Step 4: Simplify right side
   2,126.03x = 5,443,925.77
5. Step 5: Solve for x
   x = 5,443,925.77/2,126.03
6. Step 6: Final answer
   x = 2,560.61