Finding the Fourth Proportional to 56,494.72, 77,962.50 and 31,001.51

Step by Step Solution

1. Step 1: Write the proportion equation
   56,494.72 : 77,962.50 = 31,001.51 : x
2. Step 2: Convert to fraction form
   56,494.72/77,962.50 = 31,001.51/x
3. Step 3: Cross multiply
   56,494.72x = 77,962.50 × 31,001.51
4. Step 4: Simplify right side
   56,494.72x = 2,416,955,068.37
5. Step 5: Solve for x
   x = 2,416,955,068.37/56,494.72
6. Step 6: Final answer
   x = 42,781.97