Finding the Fourth Proportional to 177,111.42, 265,618.55 and 105,978.10

Step by Step Solution

1. Step 1: Write the proportion equation
   177,111.42 : 265,618.55 = 105,978.10 : x
2. Step 2: Convert to fraction form
   177,111.42/265,618.55 = 105,978.10/x
3. Step 3: Cross multiply
   177,111.42x = 265,618.55 × 105,978.10
4. Step 4: Simplify right side
   177,111.42x = 28,149,748,059.82
5. Step 5: Solve for x
   x = 28,149,748,059.82/177,111.42
6. Step 6: Final answer
   x = 158,938.07