Finding the Fourth Proportional to 148,987.59, 223,621.83 and 54,309.29

Step by Step Solution

1. Step 1: Write the proportion equation
   148,987.59 : 223,621.83 = 54,309.29 : x
2. Step 2: Convert to fraction form
   148,987.59/223,621.83 = 54,309.29/x
3. Step 3: Cross multiply
   148,987.59x = 223,621.83 × 54,309.29
4. Step 4: Simplify right side
   148,987.59x = 12,144,741,697.69
5. Step 5: Solve for x
   x = 12,144,741,697.69/148,987.59
6. Step 6: Final answer
   x = 81,515.12