Finding the Fourth Proportional to 148,620.18, 205,095.86 and 84,959.34

Step by Step Solution

1. Step 1: Write the proportion equation
   148,620.18 : 205,095.86 = 84,959.34 : x
2. Step 2: Convert to fraction form
   148,620.18/205,095.86 = 84,959.34/x
3. Step 3: Cross multiply
   148,620.18x = 205,095.86 × 84,959.34
4. Step 4: Simplify right side
   148,620.18x = 17,424,808,902.33
5. Step 5: Solve for x
   x = 17,424,808,902.33/148,620.18
6. Step 6: Final answer
   x = 117,243.90