Finding the Fourth Proportional to 113,142.42, 169,571.34 and 99,068.94

Step by Step Solution

1. Step 1: Write the proportion equation
   113,142.42 : 169,571.34 = 99,068.94 : x
2. Step 2: Convert to fraction form
   113,142.42/169,571.34 = 99,068.94/x
3. Step 3: Cross multiply
   113,142.42x = 169,571.34 × 99,068.94
4. Step 4: Simplify right side
   113,142.42x = 16,799,252,908.18
5. Step 5: Solve for x
   x = 16,799,252,908.18/113,142.42
6. Step 6: Final answer
   x = 148,478.82