Finding the Fourth Proportional to 35,978.06, 53,977.62 and 18,460.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978.06 : 53,977.62 = 18,460.10 : x
2. Step 2: Convert to fraction form
   35,978.06/53,977.62 = 18,460.10/x
3. Step 3: Cross multiply
   35,978.06x = 53,977.62 × 18,460.10
4. Step 4: Simplify right side
   35,978.06x = 996,432,262.96
5. Step 5: Solve for x
   x = 996,432,262.96/35,978.06
6. Step 6: Final answer
   x = 27,695.55