Finding the Fourth Proportional to 117,682.61, 176,468.45 and 42,749.91

Step by Step Solution

1. Step 1: Write the proportion equation
   117,682.61 : 176,468.45 = 42,749.91 : x
2. Step 2: Convert to fraction form
   117,682.61/176,468.45 = 42,749.91/x
3. Step 3: Cross multiply
   117,682.61x = 176,468.45 × 42,749.91
4. Step 4: Simplify right side
   117,682.61x = 7,544,010,141.59
5. Step 5: Solve for x
   x = 7,544,010,141.59/117,682.61
6. Step 6: Final answer
   x = 64,104.72