Finding the Fourth Proportional to 56,501, 77,971.32 and 31,007.51

Step by Step Solution

1. Step 1: Write the proportion equation
   56,501 : 77,971.32 = 31,007.51 : x
2. Step 2: Convert to fraction form
   56,501/77,971.32 = 31,007.51/x
3. Step 3: Cross multiply
   56,501x = 77,971.32 × 31,007.51
4. Step 4: Simplify right side
   56,501x = 2,417,696,484.61
5. Step 5: Solve for x
   x = 2,417,696,484.61/56,501
6. Step 6: Final answer
   x = 42,790.33