Finding the Fourth Proportional to 191,592.88, 264,387.72 and 105,535

Step by Step Solution

1. Step 1: Write the proportion equation
   191,592.88 : 264,387.72 = 105,535 : x
2. Step 2: Convert to fraction form
   191,592.88/264,387.72 = 105,535/x
3. Step 3: Cross multiply
   191,592.88x = 264,387.72 × 105,535
4. Step 4: Simplify right side
   191,592.88x = 27,902,158,030.20
5. Step 5: Solve for x
   x = 27,902,158,030.20/191,592.88
6. Step 6: Final answer
   x = 145,632.54