Finding the Fourth Proportional to 69,097.47, 103,630.73 and 26,978.55

Step by Step Solution

1. Step 1: Write the proportion equation
   69,097.47 : 103,630.73 = 26,978.55 : x
2. Step 2: Convert to fraction form
   69,097.47/103,630.73 = 26,978.55/x
3. Step 3: Cross multiply
   69,097.47x = 103,630.73 × 26,978.55
4. Step 4: Simplify right side
   69,097.47x = 2,795,806,695.95
5. Step 5: Solve for x
   x = 2,795,806,695.95/69,097.47
6. Step 6: Final answer
   x = 40,461.78