Finding the Fourth Proportional to 10,916.84, 15,070.98 and 7,350.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,916.84 : 15,070.98 = 7,350.52 : x
2. Step 2: Convert to fraction form
   10,916.84/15,070.98 = 7,350.52/x
3. Step 3: Cross multiply
   10,916.84x = 15,070.98 × 7,350.52
4. Step 4: Simplify right side
   10,916.84x = 110,779,539.91
5. Step 5: Solve for x
   x = 110,779,539.91/10,916.84
6. Step 6: Final answer
   x = 10,147.58