Finding the Fourth Proportional to 116,261, 174,417.42 and 42,389

Step by Step Solution

1. Step 1: Write the proportion equation
   116,261 : 174,417.42 = 42,389 : x
2. Step 2: Convert to fraction form
   116,261/174,417.42 = 42,389/x
3. Step 3: Cross multiply
   116,261x = 174,417.42 × 42,389
4. Step 4: Simplify right side
   116,261x = 7,393,380,016.38
5. Step 5: Solve for x
   x = 7,393,380,016.38/116,261
6. Step 6: Final answer
   x = 63,592.95