Finding the Fourth Proportional to 9,130.83, 12,602.96 and 5,354.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,130.83 : 12,602.96 = 5,354.55 : x
2. Step 2: Convert to fraction form
   9,130.83/12,602.96 = 5,354.55/x
3. Step 3: Cross multiply
   9,130.83x = 12,602.96 × 5,354.55
4. Step 4: Simplify right side
   9,130.83x = 67,483,152.70
5. Step 5: Solve for x
   x = 67,483,152.70/9,130.83
6. Step 6: Final answer
   x = 7,390.69