Finding the Fourth Proportional to 549,434.70, 824,019.18 and 150,077.52

Step by Step Solution

1. Step 1: Write the proportion equation
   549,434.70 : 824,019.18 = 150,077.52 : x
2. Step 2: Convert to fraction form
   549,434.70/824,019.18 = 150,077.52/x
3. Step 3: Cross multiply
   549,434.70x = 824,019.18 × 150,077.52
4. Step 4: Simplify right side
   549,434.70x = 123,666,754,966.83
5. Step 5: Solve for x
   x = 123,666,754,966.83/549,434.70
6. Step 6: Final answer
   x = 225,079.99