Finding the Fourth Proportional to 17,887.02, 26,830.71 and 5,407.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,887.02 : 26,830.71 = 5,407.16 : x
2. Step 2: Convert to fraction form
   17,887.02/26,830.71 = 5,407.16/x
3. Step 3: Cross multiply
   17,887.02x = 26,830.71 × 5,407.16
4. Step 4: Simplify right side
   17,887.02x = 145,077,807.73
5. Step 5: Solve for x
   x = 145,077,807.73/17,887.02
6. Step 6: Final answer
   x = 8,110.79