Finding the Fourth Proportional to 7,445.79, 10,274.72 and 4,088.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,445.79 : 10,274.72 = 4,088.58 : x
2. Step 2: Convert to fraction form
   7,445.79/10,274.72 = 4,088.58/x
3. Step 3: Cross multiply
   7,445.79x = 10,274.72 × 4,088.58
4. Step 4: Simplify right side
   7,445.79x = 42,008,994.25
5. Step 5: Solve for x
   x = 42,008,994.25/7,445.79
6. Step 6: Final answer
   x = 5,641.98