Finding the Fourth Proportional to 70,123.98, 105,224.24 and 40,599.48

Step by Step Solution

1. Step 1: Write the proportion equation
   70,123.98 : 105,224.24 = 40,599.48 : x
2. Step 2: Convert to fraction form
   70,123.98/105,224.24 = 40,599.48/x
3. Step 3: Cross multiply
   70,123.98x = 105,224.24 × 40,599.48
4. Step 4: Simplify right side
   70,123.98x = 4,272,049,427.40
5. Step 5: Solve for x
   x = 4,272,049,427.40/70,123.98
6. Step 6: Final answer
   x = 60,921.38