Finding the Fourth Proportional to 56,495.50, 77,963.58 and 31,002.30

Step by Step Solution

1. Step 1: Write the proportion equation
   56,495.50 : 77,963.58 = 31,002.30 : x
2. Step 2: Convert to fraction form
   56,495.50/77,963.58 = 31,002.30/x
3. Step 3: Cross multiply
   56,495.50x = 77,963.58 × 31,002.30
4. Step 4: Simplify right side
   56,495.50x = 2,417,049,967.33
5. Step 5: Solve for x
   x = 2,417,049,967.33/56,495.50
6. Step 6: Final answer
   x = 42,783.05