Finding the Fourth Proportional to 56,010.32, 77,294.76 and 30,860.24

Step by Step Solution

1. Step 1: Write the proportion equation
   56,010.32 : 77,294.76 = 30,860.24 : x
2. Step 2: Convert to fraction form
   56,010.32/77,294.76 = 30,860.24/x
3. Step 3: Cross multiply
   56,010.32x = 77,294.76 × 30,860.24
4. Step 4: Simplify right side
   56,010.32x = 2,385,334,844.34
5. Step 5: Solve for x
   x = 2,385,334,844.34/56,010.32
6. Step 6: Final answer
   x = 42,587.42