Finding the Fourth Proportional to 73,897.31, 101,978.70 and 40,363.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,897.31 : 101,978.70 = 40,363.31 : x
2. Step 2: Convert to fraction form
   73,897.31/101,978.70 = 40,363.31/x
3. Step 3: Cross multiply
   73,897.31x = 101,978.70 × 40,363.31
4. Step 4: Simplify right side
   73,897.31x = 4,116,197,985.08
5. Step 5: Solve for x
   x = 4,116,197,985.08/73,897.31
6. Step 6: Final answer
   x = 55,701.59