Finding the Fourth Proportional to 3,312,949.31, 4,969,279.42 and 1,038,421.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,312,949.31 : 4,969,279.42 = 1,038,421.82 : x
2. Step 2: Convert to fraction form
   3,312,949.31/4,969,279.42 = 1,038,421.82/x
3. Step 3: Cross multiply
   3,312,949.31x = 4,969,279.42 × 1,038,421.82
4. Step 4: Simplify right side
   3,312,949.31x = 5,160,208,154,558.55
5. Step 5: Solve for x
   x = 5,160,208,154,558.55/3,312,949.31
6. Step 6: Final answer
   x = 1,557,587.42