Finding the Fourth Proportional to 117,650.28, 176,510.62 and 42,769

Step by Step Solution

1. Step 1: Write the proportion equation
   117,650.28 : 176,510.62 = 42,769 : x
2. Step 2: Convert to fraction form
   117,650.28/176,510.62 = 42,769/x
3. Step 3: Cross multiply
   117,650.28x = 176,510.62 × 42,769
4. Step 4: Simplify right side
   117,650.28x = 7,549,182,706.78
5. Step 5: Solve for x
   x = 7,549,182,706.78/117,650.28
6. Step 6: Final answer
   x = 64,166.30