Finding the Fourth Proportional to 265,499.34, 366,384.81 and 144,642.07

Step by Step Solution

1. Step 1: Write the proportion equation
   265,499.34 : 366,384.81 = 144,642.07 : x
2. Step 2: Convert to fraction form
   265,499.34/366,384.81 = 144,642.07/x
3. Step 3: Cross multiply
   265,499.34x = 366,384.81 × 144,642.07
4. Step 4: Simplify right side
   265,499.34x = 52,994,657,334.96
5. Step 5: Solve for x
   x = 52,994,657,334.96/265,499.34
6. Step 6: Final answer
   x = 199,603.73