Finding the Fourth Proportional to 116,263, 174,420.42 and 42,391

Step by Step Solution

1. Step 1: Write the proportion equation
   116,263 : 174,420.42 = 42,391 : x
2. Step 2: Convert to fraction form
   116,263/174,420.42 = 42,391/x
3. Step 3: Cross multiply
   116,263x = 174,420.42 × 42,391
4. Step 4: Simplify right side
   116,263x = 7,393,856,024.22
5. Step 5: Solve for x
   x = 7,393,856,024.22/116,263
6. Step 6: Final answer
   x = 63,595.95