Finding the Fourth Proportional to 99,947.82, 138,041.37 and 68,061.36

Step by Step Solution

1. Step 1: Write the proportion equation
   99,947.82 : 138,041.37 = 68,061.36 : x
2. Step 2: Convert to fraction form
   99,947.82/138,041.37 = 68,061.36/x
3. Step 3: Cross multiply
   99,947.82x = 138,041.37 × 68,061.36
4. Step 4: Simplify right side
   99,947.82x = 9,395,283,378.46
5. Step 5: Solve for x
   x = 9,395,283,378.46/99,947.82
6. Step 6: Final answer
   x = 94,001.88