Finding the Fourth Proportional to 10,978.23, 16,461.74 and 3,577.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.23 : 16,461.74 = 3,577.93 : x
2. Step 2: Convert to fraction form
   10,978.23/16,461.74 = 3,577.93/x
3. Step 3: Cross multiply
   10,978.23x = 16,461.74 × 3,577.93
4. Step 4: Simplify right side
   10,978.23x = 58,898,935.51
5. Step 5: Solve for x
   x = 58,898,935.51/10,978.23
6. Step 6: Final answer
   x = 5,365.07