Finding the Fourth Proportional to 56,496, 77,964.42 and 31,002.51

Step by Step Solution

1. Step 1: Write the proportion equation
   56,496 : 77,964.42 = 31,002.51 : x
2. Step 2: Convert to fraction form
   56,496/77,964.42 = 31,002.51/x
3. Step 3: Cross multiply
   56,496x = 77,964.42 × 31,002.51
4. Step 4: Simplify right side
   56,496x = 2,417,092,710.69
5. Step 5: Solve for x
   x = 2,417,092,710.69/56,496
6. Step 6: Final answer
   x = 42,783.43