Finding the Fourth Proportional to 148,756.78, 223,036.18 and 76,754.59

Step by Step Solution

1. Step 1: Write the proportion equation
   148,756.78 : 223,036.18 = 76,754.59 : x
2. Step 2: Convert to fraction form
   148,756.78/223,036.18 = 76,754.59/x
3. Step 3: Cross multiply
   148,756.78x = 223,036.18 × 76,754.59
4. Step 4: Simplify right side
   148,756.78x = 17,119,050,233.33
5. Step 5: Solve for x
   x = 17,119,050,233.33/148,756.78
6. Step 6: Final answer
   x = 115,080.81