Finding the Fourth Proportional to 148,072.02, 221,973.63 and 76,911.48

Step by Step Solution

1. Step 1: Write the proportion equation
   148,072.02 : 221,973.63 = 76,911.48 : x
2. Step 2: Convert to fraction form
   148,072.02/221,973.63 = 76,911.48/x
3. Step 3: Cross multiply
   148,072.02x = 221,973.63 × 76,911.48
4. Step 4: Simplify right side
   148,072.02x = 17,072,320,404.27
5. Step 5: Solve for x
   x = 17,072,320,404.27/148,072.02
6. Step 6: Final answer
   x = 115,297.41