Finding the Fourth Proportional to 117,759.42, 176,655.42 and 42,865.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,759.42 : 176,655.42 = 42,865.56 : x
2. Step 2: Convert to fraction form
   117,759.42/176,655.42 = 42,865.56/x
3. Step 3: Cross multiply
   117,759.42x = 176,655.42 × 42,865.56
4. Step 4: Simplify right side
   117,759.42x = 7,572,433,505.34
5. Step 5: Solve for x
   x = 7,572,433,505.34/117,759.42
6. Step 6: Final answer
   x = 64,304.27