Finding the Fourth Proportional to 9,048.06, 12,487.55 and 5,070.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,048.06 : 12,487.55 = 5,070.02 : x
2. Step 2: Convert to fraction form
   9,048.06/12,487.55 = 5,070.02/x
3. Step 3: Cross multiply
   9,048.06x = 12,487.55 × 5,070.02
4. Step 4: Simplify right side
   9,048.06x = 63,312,040.46
5. Step 5: Solve for x
   x = 63,312,040.46/9,048.06
6. Step 6: Final answer
   x = 6,997.31