Finding the Fourth Proportional to 9,131.48, 12,601.82 and 5,152.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.48 : 12,601.82 = 5,152.59 : x
2. Step 2: Convert to fraction form
   9,131.48/12,601.82 = 5,152.59/x
3. Step 3: Cross multiply
   9,131.48x = 12,601.82 × 5,152.59
4. Step 4: Simplify right side
   9,131.48x = 64,931,985.95
5. Step 5: Solve for x
   x = 64,931,985.95/9,131.48
6. Step 6: Final answer
   x = 7,110.79