Finding the Fourth Proportional to 148,918.10, 223,409.55 and 49,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   148,918.10 : 223,409.55 = 49,061.30 : x
2. Step 2: Convert to fraction form
   148,918.10/223,409.55 = 49,061.30/x
3. Step 3: Cross multiply
   148,918.10x = 223,409.55 × 49,061.30
4. Step 4: Simplify right side
   148,918.10x = 10,960,762,955.42
5. Step 5: Solve for x
   x = 10,960,762,955.42/148,918.10
6. Step 6: Final answer
   x = 73,602.62