Finding the Fourth Proportional to 9,131.46, 12,602.96 and 5,302.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.46 : 12,602.96 = 5,302.50 : x
2. Step 2: Convert to fraction form
   9,131.46/12,602.96 = 5,302.50/x
3. Step 3: Cross multiply
   9,131.46x = 12,602.96 × 5,302.50
4. Step 4: Simplify right side
   9,131.46x = 66,827,188.77
5. Step 5: Solve for x
   x = 66,827,188.77/9,131.46
6. Step 6: Final answer
   x = 7,318.35