Finding the Fourth Proportional to 99,103.94, 148,678.61 and 42,953.48

Step by Step Solution

1. Step 1: Write the proportion equation
   99,103.94 : 148,678.61 = 42,953.48 : x
2. Step 2: Convert to fraction form
   99,103.94/148,678.61 = 42,953.48/x
3. Step 3: Cross multiply
   99,103.94x = 148,678.61 × 42,953.48
4. Step 4: Simplify right side
   99,103.94x = 6,386,263,486.30
5. Step 5: Solve for x
   x = 6,386,263,486.30/99,103.94
6. Step 6: Final answer
   x = 64,440.06