Finding the Fourth Proportional to 514,404.74, 771,483.16 and 154,499.88

Step by Step Solution

1. Step 1: Write the proportion equation
   514,404.74 : 771,483.16 = 154,499.88 : x
2. Step 2: Convert to fraction form
   514,404.74/771,483.16 = 154,499.88/x
3. Step 3: Cross multiply
   514,404.74x = 771,483.16 × 154,499.88
4. Step 4: Simplify right side
   514,404.74x = 119,194,055,642.02
5. Step 5: Solve for x
   x = 119,194,055,642.02/514,404.74
6. Step 6: Final answer
   x = 231,712.59