Finding the Fourth Proportional to 6,038.78, 9,047.52 and 5,290.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,038.78 : 9,047.52 = 5,290.07 : x
2. Step 2: Convert to fraction form
   6,038.78/9,047.52 = 5,290.07/x
3. Step 3: Cross multiply
   6,038.78x = 9,047.52 × 5,290.07
4. Step 4: Simplify right side
   6,038.78x = 47,861,968.89
5. Step 5: Solve for x
   x = 47,861,968.89/6,038.78
6. Step 6: Final answer
   x = 7,925.77