Finding the Fourth Proportional to 11,349,609.68, 17,024,233.88 and 5,280,947.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,349,609.68 : 17,024,233.88 = 5,280,947.12 : x
2. Step 2: Convert to fraction form
   11,349,609.68/17,024,233.88 = 5,280,947.12/x
3. Step 3: Cross multiply
   11,349,609.68x = 17,024,233.88 × 5,280,947.12
4. Step 4: Simplify right side
   11,349,609.68x = 89,904,078,878,792.42
5. Step 5: Solve for x
   x = 89,904,078,878,792.42/11,349,609.68
6. Step 6: Final answer
   x = 7,921,336.63