Finding the Fourth Proportional to 55,598.68, 76,726.50 and 30,448.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,598.68 : 76,726.50 = 30,448.18 : x
2. Step 2: Convert to fraction form
   55,598.68/76,726.50 = 30,448.18/x
3. Step 3: Cross multiply
   55,598.68x = 76,726.50 × 30,448.18
4. Step 4: Simplify right side
   55,598.68x = 2,336,182,282.77
5. Step 5: Solve for x
   x = 2,336,182,282.77/55,598.68
6. Step 6: Final answer
   x = 42,018.66