Finding the Fourth Proportional to 148,665.32, 205,142.10 and 84,141.08

Step by Step Solution

1. Step 1: Write the proportion equation
   148,665.32 : 205,142.10 = 84,141.08 : x
2. Step 2: Convert to fraction form
   148,665.32/205,142.10 = 84,141.08/x
3. Step 3: Cross multiply
   148,665.32x = 205,142.10 × 84,141.08
4. Step 4: Simplify right side
   148,665.32x = 17,260,877,847.47
5. Step 5: Solve for x
   x = 17,260,877,847.47/148,665.32
6. Step 6: Final answer
   x = 116,105.61