Finding the Fourth Proportional to 72,531.48, 108,796.70 and 51,095.97

Step by Step Solution

1. Step 1: Write the proportion equation
   72,531.48 : 108,796.70 = 51,095.97 : x
2. Step 2: Convert to fraction form
   72,531.48/108,796.70 = 51,095.97/x
3. Step 3: Cross multiply
   72,531.48x = 108,796.70 × 51,095.97
4. Step 4: Simplify right side
   72,531.48x = 5,559,072,663.82
5. Step 5: Solve for x
   x = 5,559,072,663.82/72,531.48
6. Step 6: Final answer
   x = 76,643.59